416 + Interview Questions in REPRODUCTION IN GENERAL AWARENESS Page 8 InterviewSolution

351.	Observe the following table.Reproduction systemOrganismsFissionParamoecium, BacteriaBuddingYeast, HydraFragmentationFlatworms, SpirogyraRhizomeGinger, TurmericCuttingRose, HibiscusGraftingCitrus, AppleOn the basis of information given in the table write- the answers to the following questions. i) Write the names of two organisms that show Asexual reproduction.ii) Write two artificial vegetative propagation methods mentioned in the table.iii) Write the names of two plants, which undergo natural vegetative propagation mentioned in the table.iv) In fission, how many organisms can we get from one organism?
Answer» i) Yeast, Hydra, Bacteria, Paramoecium (any two you may write) ii) Cutting, Grafting iii) Ginger, Turmeric iv) Two

351.

Observe the following table.Reproduction systemOrganismsFissionParamoecium, BacteriaBuddingYeast, HydraFragmentationFlatworms, SpirogyraRhizomeGinger, TurmericCuttingRose, HibiscusGraftingCitrus, AppleOn the basis of information given in the table write- the answers to the following questions. i) Write the names of two organisms that show Asexual reproduction.ii) Write two artificial vegetative propagation methods mentioned in the table.iii) Write the names of two plants, which undergo natural vegetative propagation mentioned in the table.iv) In fission, how many organisms can we get from one organism?

Answer»

i) Yeast, Hydra, Bacteria, Paramoecium (any two you may write)

ii) Cutting, Grafting

iii) Ginger, Turmeric

iv) Two

352.	Which of the following is concerned with male reproductive system ? A) Fallopian tubes B) Testes C) Placenta D) Umbilical cord
Answer» Answer is (B) Testes

Discussion

353.	To obtain fungal structures we use one of the food material A) Dry seeds B) Roti C) Smoked fish D) A or B
Answer» Answer is (B) Roti

Discussion

354.	What is fission?
Answer» Splitting of organisms into two or more offsprings in a symmetrical manner is known as fission. Ex: Paramoecium and bacteria.

354.

What is fission?

Answer»

Splitting of organisms into two or more offsprings in a symmetrical manner is known as fission.

Ex: Paramoecium and bacteria.

Discussion

355.	The male and female gamete-producing organs of a flower is called.A. ovary and ovuleB. stamen and antherC. stigma and stamenD. anther and ovary
Answer» Correct Answer - D

Discussion

356.	What is the reproductive organ of a male flower ?
Answer» Correct Answer - Androecium

Discussion

357.	Consider the given picture. What will be consequence if vasa deferentia is detached ? A) Sperms are not produced B) Sperms do not reach seminal vesicle C) Person will dieD) Cowper’s gland becomes inactive
Answer» (B) Sperms do not reach seminal vesicle

Discussion

358.	Immediately after the delivery, the mammary glands of the mother secrete ……… A) MilkB) Colostrum C) Blood D) water
Answer» (B) Colostrum

Discussion

359.	This symbol denotes ……….A) World AIDS Day B) World DOCTORS’ Day C) World HEALTH Day D) World RED CROSS Day
Answer» A) World AIDS Day

Discussion

360.	The female sex organ of a flower consists ofA. sepalsB. pollen sacsC. ovaryD. stigma to style
Answer» Correct Answer - C::D

Discussion

361.	The given picture depicts ……A) Female gametophyte B) Antipodal cells C) Secondary nucleus D) Helper cells
Answer» A) Female gametophyte

Discussion

362.	Name the male and female reproductive organs of a flower.
Answer» Male and female reproductive organs of a flower are androecium and gynecium , respectively .

Discussion

363.	Why do the pollen grains of Vallisneria have a mucilaginous covering ?
Answer» Pollen grains have a mucilage covering to protect themselves from wetting as Vallisneria is a water pollinated species .

Discussion

364.	Why do corn cobs have long tassels ?
Answer» The corn cobs have long tassels which are actually stigma and style. Their long length helps them to trap pollen grains from air

Discussion

365.	Find out the given pictureA) Spores in neem leaf B) Sori infern C) Fungi D) Spores in mango
Answer» (B) Sori infern

Discussion

366.	The male part of flower is A) Ovules B) Stamen C) Petals D) Sepals
Answer» The male part of flower is Sepals

Discussion

367.	The symbol for easy delivery process is A) Not having labour pains B) Amniotic fluid flows out due to the rupture of Amnion C) The contractions of the walls of uterus are weak D) The child turns cross and comes out
Answer» B) Amniotic fluid flows out due to the rupture of Amnion

Discussion

368.	Pathway of ovum in female reproductive system is A) Ovary → Oviduct →Uterus → Vagina B) Vagina → Uterus → Oviduct → Ovary C) Ovary → Oviduct → UterusD) Uterus → Vagina → Oviduct
Answer» (A) Ovary → Oviduct →Uterus → Vagina

Discussion

369.	Which bacteria is responsible for formation of curd from milk?
Answer» Lactobacillus bacteria is responsible for formation of curd from milk.

Discussion

370.	The number of ova released once in females periodically is A) 3 B) 2 C) 4 D) 1
Answer» Answer is (D) 1

Discussion

371.	In grafting the plant part which supplies% nutrients from soil is called A) Scion B) Graft C) Stock D) Branch
Answer» Answer is (C) Stock

Discussion

372.	The reason for growth of beard and moustache in males is A) Secondary sexual characters B) Sexual hormonesC) Growth of muscles D) Inheritance
Answer» (B) Sexual hormones

Discussion

373.	Name the organism and the mode of reproduction represented in the diagram given below .
Answer» The organism is Yeast and the mode of reproduction is budding

Discussion

374.	The acid present in milk is A) Citric acid B) Asteric acidC) Lactic acid D) Ascorbic acid
Answer» (C) Lactic acid

Discussion

375.	The sending out of semen from male’s body is called A) reproduction B) ejaculation C) ovulation D) fertilisation
Answer» (B) ejaculation

Discussion

376.	Name the part ‘X’ in the given diagram.A) Acrosome B) Head C) Nucleus D) Tail
Answer» (A) Acrosome

Discussion

377.	Amoeba undergoes cystation and divides into many organisms in unfavourable conditions. This is called A) Binary fission B) Longitudinal binary fission C) BuddingD) Multiple fission
Answer» (D) Multiple fission

Discussion

378.	Which part of the male reproductive system produces (human) the sperm cells ? A) Seminiferous tubule B) Epididymis C) Bladder D) Scrotum
Answer» (A) Seminiferous tubule

Discussion

379.	Which of the following material changes in paramoecium during conjugation ? A) ProtoplasmB) Nucleic material C) Sap of vacuoles D) Chromatin material
Answer» (B) Nucleic material

Discussion

380.	What are the means of reproduction in unfavourable conditions ?A. BuddingB. Multiple fissionC. Spore formationD. Fragmentation
Answer» Correct Answer - B::C

Discussion

381.	Which part of the male reproductive system produces (human) the sperm cells ?
Answer» Correct option is C) Seminiferous tubules

Discussion

382.	Which part of human male reproductive system stores sperms temporarily?A) Epididymis B) Seminiferous tubules C) Vasa efferentia D) Penis
Answer» (A) Epididymis

Discussion

383.	The process that is performed by paramoecium to attain the lost energy A) Conjugation B) Vegetative propagation C) Production of spores D) Internal fertilization
Answer» (A) Conjugation

Discussion

384.	Sperm cells of human male reproductive system are produced from …………A) seminiferous tubulesB) epididymis C) scrotum D) prostate gland
Answer» (A) seminiferous tubules

Discussion

385.	Which of the following reproduce througe spores? i) Mucor ii) Bacteria iii) Rhizopusiv) Fern A) i only B) ii, iii, iv only C) ii, iii only D) All
Answer» Answer is (D) All

Discussion

386.	In what way does mitotic division help the living organism?
Answer» 1. growth 2. cell repair 3. healing wounds.

386.

In what way does mitotic division help the living organism?

Answer»

1. growth

2. cell repair

3. healing wounds.

Discussion

387.	Identify the mitotic phase shown in the diagramA) Prophase B) Anaphase C) Metaphase D) Telophase
Answer» (B) Anaphase

Discussion

388.	Fill in the blanks:The scheme of the mitotic division was confirmed in ______by Theodor Boveri.The double helix structure of DNA was discovered by Watson and Crick in ______.The number of chromosomes in man is ____.Cells divide for the growth of the _______to repair and replace the wear out cells and also for the formation of gametes.
Answer» The scheme of the mitotic division was confirmed 1904 by Theodor Boveri. The double helix structure of DNA was discovered by Watson and Crick in 1853. The number of chromosomes in man is 46. Cells divide for the growth of the individual to repair and replace the wear out cells and also for the formation of gametes.

Discussion

389.	Who confirmed the scheme of mitotic division?
Answer» The scheme of mitotic division was confirmed in 1904 by Theodor Boveri.

Discussion

390.	What type of reproduction occurs in paramoecium during favourable conditions?
Answer» During favourable conditions paramoecium reproduce asexually by fission.

Discussion

391.	Vicky’s father wants to grow a single plant having two desirable characters colourful flowers and big fruits. What method will you suggest to him and why?
Answer» 1. I will suggest the method of grafting to him. 2. Grafting enables us to combine the most desirable characteristics of two plants into a single plant with colourful flowers and big fruits. 3. By grafting method, a very young scion can be made to flower and produce fruits fast when it is grafted to the stock. 4. Vicky’s father can grow one of the two plants as stock and second plant can be graft to some of its branches as scions. 5. Then he can get the plant with both the desirable characters.

391.

Vicky’s father wants to grow a single plant having two desirable characters colourful flowers and big fruits. What method will you suggest to him and why?

Answer»

1. I will suggest the method of grafting to him.

2. Grafting enables us to combine the most desirable characteristics of two plants into a single plant with colourful flowers and big fruits.

3. By grafting method, a very young scion can be made to flower and produce fruits fast when it is grafted to the stock.

4. Vicky’s father can grow one of the two plants as stock and second plant can be graft to some of its branches as scions.

5. Then he can get the plant with both the desirable characters.

Discussion

392.

Organisms reproduce asexually in many ways. Some of the organisms are given below. Fill the below table based on the collected information about the organism and mode of asexual reproduction in it.a) Onion b) Spirogyra c) Strawberry d) Ginger e) Honey-bee f) Paramoecium g) Planaria h) YeastName of the organismMode of Asexual reproduction

Answer»

Name of the organism	Mode of Asexual reproduction
a) Onion	Bulb
b) Spirogyra	Fragmentation
c) Strawberry	Stolons
d) Ginger	Rhizome
e) Honey – bee	Parthenogenesis
f) Paramoecium	Binary fission
g) Planaria	Regeneration
h) Yeast	Budding

Discussion

393.	“All unicellular organisms undergo only mitotic cell division during favourable conditions” – Do you support this statement? Why?
Answer» 1. Unicellular organisms undergo mitotic cell division not only during favourable conditions but also in unfavourable conditions. So I don’t support the given statement. 2. When the organism finds favourable conditions it deserves to perform division called Fission. Ex: Amoeba. 3. Sometimes scarcity of food or to save it life, some organisms undergo mitotic cell division. 4. Organisms like paramoecium undergo a type of sexual reproduction called conjugation during unfavourable conditions.

393.

“All unicellular organisms undergo only mitotic cell division during favourable conditions” – Do you support this statement? Why?

Answer»

1. Unicellular organisms undergo mitotic cell division not only during favourable conditions but also in unfavourable conditions. So I don’t support the given statement.

2. When the organism finds favourable conditions it deserves to perform division called Fission. Ex: Amoeba.

3. Sometimes scarcity of food or to save it life, some organisms undergo mitotic cell division.

4. Organisms like paramoecium undergo a type of sexual reproduction called conjugation during unfavourable conditions.

Discussion

394.	Which of the following organisms do not reproduce by spores? A) Rhizopus B) Mucor C) Yeast D) Bacteria
Answer» Answer is (C) Yeast

Discussion

395.	Fill in the blanks:After mitosis two daughter cells are formed whereas after meiosis four ______cells are formed.Sexual _____does not necessarily mean that the body or the mind is ready for sexual acts.
Answer» After mitosis two daughter cells are formed whereas after meiosis four daughter cells are formed. Sexual maturation does not necessarily mean that the body or the mind is ready for sexual acts

395.

Fill in the blanks:After mitosis two daughter cells are formed whereas after meiosis four __cells are formed.Sexual _does not necessarily mean that the body or the mind is ready for sexual acts.

Answer»

After mitosis two daughter cells are formed whereas after meiosis four daughter cells are formed.

Sexual maturation does not necessarily mean that the body or the mind is ready for sexual acts

Discussion

396.	The chromosomal number is reduced to half in the daughter cells produced by meiosis. What happens if the number is not reduced to half in daughter cells? (OR) In Meiosis, the chromosome number in the daughter cells are reduced to half that of their parent cells. Guess, what would happen, if the reduction of chromosome number is not done.
Answer» 1. If the reduction of chromosomes number is not done, the chromosomal number is doubled in the offsprings. 2. The change in chromosomal number leads to development of abnormal characters in the individual. 3. The offspring differs from parental generation. 4. Abnormal characters will be formed in new generation, which are not useful for the existence of individual.

396.

The chromosomal number is reduced to half in the daughter cells produced by meiosis. What happens if the number is not reduced to half in daughter cells? (OR) In Meiosis, the chromosome number in the daughter cells are reduced to half that of their parent cells. Guess, what would happen, if the reduction of chromosome number is not done.

Answer»

1. If the reduction of chromosomes number is not done, the chromosomal number is doubled in the offsprings.

2. The change in chromosomal number leads to development of abnormal characters in the individual.

3. The offspring differs from parental generation.

4. Abnormal characters will be formed in new generation, which are not useful for the existence of individual.

Discussion

397.	See the adjacent picture. Which type of pollination will occur in this ? Why do you think so?
Answer» 1. Self-pollination occurs if stamens and carpels matures at the same time. 2. If they mature at different times, cross pollination occurs. 3. Cross pollination occurs in this plant. 4. For cross pollination the pollen grains are carried from other plants belonging to the same species. 5. The mechanism of dispersal of pollen grains from one plant to other plant is facilitated mostly by wind and insects. 6. Cross pollination is believed to be advantageous for the plant. 7. The seeds produced by the flower will contain another source of genetic material 8. Which may contain genes which are advantageous to the survival of the seedlings.

397.

See the adjacent picture. Which type of pollination will occur in this ? Why do you think so?

Answer»

1. Self-pollination occurs if stamens and carpels matures at the same time.

2. If they mature at different times, cross pollination occurs.

3. Cross pollination occurs in this plant.

4. For cross pollination the pollen grains are carried from other plants belonging to the same species.

5. The mechanism of dispersal of pollen grains from one plant to other plant is facilitated mostly by wind and insects.

6. Cross pollination is believed to be advantageous for the plant.

7. The seeds produced by the flower will contain another source of genetic material

8. Which may contain genes which are advantageous to the survival of the seedlings.

Discussion

398.	How many haploid daughter cells are formed after meiosis?
Answer» Four haploid daughter cells are formed after meiosis.

Discussion

399.	The daughter cells formed during meiosis are : A) Haploid B) Diploid C) Triploid D) Polyploid
Answer» The daughter cells formed during meiosis are Haploid

Discussion

400.

How is tissue culture more beneficial than other traditional methods for the artificial propagation of plants? (OR)What is tissue culture? What are its uses?

Answer»

1. The traditional methods for the artificial propagation of plants are being replaced by the modern methods of artificial propagation of plants involving tissue culture, as it is more beneficial than the traditional methods.

2. In tissue culture, a few plant cells or plant tissue are placed in a growth medium with plant hormones in it and it grows into new plants.

3. Thousands of plants can be grown in very short interval of time.

4. There will be no climatic impact on the propagation, so multiplication can be done throughout the year.

5. It is possible to obtain plants that are free from pathogens.

Discussion

Explore topic-wise InterviewSolutions in .

Which of the following is concerned with male reproductive system ? A) Fallopian tubes B) Testes C) Placenta D) Umbilical cord

To obtain fungal structures we use one of the food material A) Dry seeds B) Roti C) Smoked fish D) A or B

What is fission?

The male and female gamete-producing organs of a flower is called.A. ovary and ovuleB. stamen and antherC. stigma and stamenD. anther and ovary

What is the reproductive organ of a male flower ?

Consider the given picture. What will be consequence if vasa deferentia is detached ? A) Sperms are not produced B) Sperms do not reach seminal vesicle C) Person will dieD) Cowper’s gland becomes inactive

Immediately after the delivery, the mammary glands of the mother secrete ……… A) MilkB) Colostrum C) Blood D) water

This symbol denotes ……….A) World AIDS Day B) World DOCTORS’ Day C) World HEALTH Day D) World RED CROSS Day

The female sex organ of a flower consists ofA. sepalsB. pollen sacsC. ovaryD. stigma to style

The given picture depicts ……A) Female gametophyte B) Antipodal cells C) Secondary nucleus D) Helper cells

Name the male and female reproductive organs of a flower.

Why do the pollen grains of Vallisneria have a mucilaginous covering ?

Why do corn cobs have long tassels ?

Find out the given pictureA) Spores in neem leaf B) Sori infern C) Fungi D) Spores in mango

The male part of flower is A) Ovules B) Stamen C) Petals D) Sepals

The symbol for easy delivery process is A) Not having labour pains B) Amniotic fluid flows out due to the rupture of Amnion C) The contractions of the walls of uterus are weak D) The child turns cross and comes out

Pathway of ovum in female reproductive system is A) Ovary → Oviduct →Uterus → Vagina B) Vagina → Uterus → Oviduct → Ovary C) Ovary → Oviduct → UterusD) Uterus → Vagina → Oviduct

Which bacteria is responsible for formation of curd from milk?

The number of ova released once in females periodically is A) 3 B) 2 C) 4 D) 1

In grafting the plant part which supplies% nutrients from soil is called A) Scion B) Graft C) Stock D) Branch

The reason for growth of beard and moustache in males is A) Secondary sexual characters B) Sexual hormonesC) Growth of muscles D) Inheritance

Name the organism and the mode of reproduction represented in the diagram given below .

The acid present in milk is A) Citric acid B) Asteric acidC) Lactic acid D) Ascorbic acid

The sending out of semen from male’s body is called A) reproduction B) ejaculation C) ovulation D) fertilisation

Name the part ‘X’ in the given diagram.A) Acrosome B) Head C) Nucleus D) Tail

Amoeba undergoes cystation and divides into many organisms in unfavourable conditions. This is called A) Binary fission B) Longitudinal binary fission C) BuddingD) Multiple fission

Which part of the male reproductive system produces (human) the sperm cells ? A) Seminiferous tubule B) Epididymis C) Bladder D) Scrotum

Which of the following material changes in paramoecium during conjugation ? A) ProtoplasmB) Nucleic material C) Sap of vacuoles D) Chromatin material

What are the means of reproduction in unfavourable conditions ?A. BuddingB. Multiple fissionC. Spore formationD. Fragmentation

Which part of the male reproductive system produces (human) the sperm cells ?

Which part of human male reproductive system stores sperms temporarily?A) Epididymis B) Seminiferous tubules C) Vasa efferentia D) Penis

The process that is performed by paramoecium to attain the lost energy A) Conjugation B) Vegetative propagation C) Production of spores D) Internal fertilization

Sperm cells of human male reproductive system are produced from …………A) seminiferous tubulesB) epididymis C) scrotum D) prostate gland

Which of the following reproduce througe spores? i) Mucor ii) Bacteria iii) Rhizopusiv) Fern A) i only B) ii, iii, iv only C) ii, iii only D) All

In what way does mitotic division help the living organism?

Identify the mitotic phase shown in the diagramA) Prophase B) Anaphase C) Metaphase D) Telophase

Who confirmed the scheme of mitotic division?

What type of reproduction occurs in paramoecium during favourable conditions?

Vicky’s father wants to grow a single plant having two desirable characters colourful flowers and big fruits. What method will you suggest to him and why?

“All unicellular organisms undergo only mitotic cell division during favourable conditions” – Do you support this statement? Why?

Which of the following organisms do not reproduce by spores? A) Rhizopus B) Mucor C) Yeast D) Bacteria

Fill in the blanks:After mitosis two daughter cells are formed whereas after meiosis four ______cells are formed.Sexual _____does not necessarily mean that the body or the mind is ready for sexual acts.

See the adjacent picture. Which type of pollination will occur in this ? Why do you think so?

How many haploid daughter cells are formed after meiosis?

The daughter cells formed during meiosis are : A) Haploid B) Diploid C) Triploid D) Polyploid

How is tissue culture more beneficial than other traditional methods for the artificial propagation of plants? (OR)What is tissue culture? What are its uses?

Fill in the blanks:After mitosis two daughter cells are formed whereas after meiosis four __cells are formed.Sexual _does not necessarily mean that the body or the mind is ready for sexual acts.