4951 + Interview Questions in Biology in Class 10 Page 51 InterviewSolution

2501.	Question : Name the life process of an organism that helps in the growth of its population.
Answer» SOLUTION :REPRODUCTION HELPS in the GROWTH of the POPULATION.

Discussion

2502.	Question : Name the instrument used for measuring blood pressure.
Answer» SOLUTION :SPHYGMOMANOMETER.

Discussion

2503.	Question :Name the inner most meninges of the brain.
Answer» SOLUTION :PIAMATER

Discussion

2504.	Question : Name the Indian scientist who is known for his leading role in India's green revolution.
Answer» In gamma garden or atomic garden, a type of induced mutation BREEDING, where RADIOACTIVE sources, PARTICULARLY gamma RAYS from Coball-60 or Caesium-137 are used to induce desirable MUTATIONS in crop plants. Solution :Dr. M. S. Swaminathan

Discussion

2505.	Question : Name the human male reproductive organ that produces sperms and also secretes a hormone. Write the functions of the secreted hormone. OR Trace the path of sperm during ejaculation and mention the gland and their functions associated with the male reproductive system.
Answer» Solution :Testis Secrete the hormone testosterone and help in formation of sperm cells. Function of Testosterone is the primary MALE sex hormone. Its functions to develop a man.s primary and secondary sex characteristics. Path of sperm during ejaculation is testis to vas deferens tourethra. Along the path of vas deferens,glands like the prostate and the SEMINAL vesicle add their secretion so that sperms are in fluid medium to make their transport easier. This fluid also provides nutrition. Glands associated with male reproductive system are: a] Prostate gland: serves to provide the FORCE needed for ejaculation. It secretes thin, milky alkaline fluid that ADJUSTS the pH of seminal fluid and serves in motility of sperms. b] Cowper glands: Their secretion lubricates the end of penis during sexual intercourse and may contain few sperms. c] Seminal vesicle: adds alkaline pH (to counteract acidic pH of vagina), FRUCTOSE (a nutrient), mucus and coagulating and local acting enzymes.

Discussion

2506.	Question : Name the human male reproductive organ that produces sperms and also secretes a hormone. Write the functions of the secreted hormone. (b) Name the parts of the human female reproductive system where (i) fertilisation takes place, (ii) implantation of the fertilised egg occurs. Explain how the embryo gets nourishment inside the mother's body.
Answer» SOLUTION :(a) Testes produce SPERMS and secrete a hormone called testosterone. The function of testosterone is to control the development of male sex organs and secondary sexual features. (b) (i) OVIDUCT or fallopian tubes (II) Uterus After implantation, a disc-like special tissue called placenta develops between the uterus wall and the embryo which helps in the EXCHANGE of nutrients, oxygen and waste products between the embryo and the mother.

Discussion

2507.	Question : Name the hormones which regulates water and mineral metabolism in man.
Answer» SOLUTION :Antidiuretic or vasopressin hormone REGULATES water and MINERAL METABOLISM in man.

Discussion

2508.	Question : Name the hormones secreted by pancreas.
Answer» SOLUTION :INSULIN and GLUCAGON.

Discussion

2509.	Question : Name the hormones secreted by the testes and ovaries.
Answer» Solution :TESTES produce TESTOSTERONE. Ovaries produce ESTROGENS.

Discussion

2510.	Question :Name the hormones responsible for the following i) Excess production causes gigantism ii) Causes changes in the body during emergency. iii) Induces wilting of leaves iv) Target site is heart muscles, diaphragm and skin.
Answer» Solution :i) Growth HORMONE i) Adernaline III) Abscisic acid IV) OXYTOCIN

Discussion

2511.	Question : Name the hormones responsible for : increasing blood glucose level.
Answer» SOLUTION :GLUCAGON

Discussion

2512.	Question : Name the hormones responsible for : development of moustache and beard in males.
Answer» SOLUTION :TESTOSTERONE

Discussion

2513.	Question : Name the hormones responsible for : controlling the uterus changes in menstrual cycle.
Answer» SOLUTION :PROGESTERONE

Discussion

2514.	Question : Name the hormones in humans which regulates carbohydrate, protein and fat metabolism in the body. Mention the site where it is synthesized.
Answer» Solution :The HORMONE is thyroxin. The SITE where it is synthesized is thyroid gland.

Discussion

2515.	Question : Name the hormone which regulates carbohydrates, protein and fat metabolism in our body. Which galand secretes this hormone ? Why is it important for us to have iodised salt in our diet ?
Answer» Solution :The hormone which regulates CARBOHYDRATES, protein and fat metabolism in our body is thyroxine. Thyroxine hormone is secreted by thyroid gland. Iodised salt in diet is IMPORTANT because it contains iodine, which is ESSENTIAL for the SYNTHESIS of thyroxine hormone by the thyroid GALAND. In case, iodine is dificient in our diet, there is a possibility of suffering from goitre.

Discussion

2516.	Question : Name the hormone which is involved in phototropism. Explain its role.
Answer» Solution :Auxin When growing plant detects LIGHT auxin is SYNTHESIZED at TL eshoot tip and helps the cell to grow LONGER. When light comes from other side of the plant auxin diffuse to SHAD side of the shoot.

Discussion

2517.	Question : Name the hormone secreted by thyroid gland and state its function.
Answer» SOLUTION :The hormone secreted by thyroid gland is thyroxin. It REGULATES carbohydrate, protein and FAT METABOLISM in the body so as to PROVED the best balance for growth.

Discussion

2518.	Question : Name the hormone that is secreted by our body to deal with scary situations. List any two responses shown by our body when this hormone is secreted into the blood.
Answer» Solution :Adrenaline. Two responses : (i)It ACTS on heart due to which heart beats faster, resulting in the supply of more oxygen to our muscles. (II) the breating rate INCREASES because of the contractions of the diaphragm and the rib muscles. The blood to the digestive SYSTEM and skin is reduced dur to the CONTRACTION of muscles around small arteries in these organs.

Discussion

2519.	Question : Name the hormone secreted by testes and ovary.
Answer» Solution :Testes - TESTOSTERONE. OVARY - OESTROGEN and PROGESTERONE.

Discussion

2520.	Question : Namethe hormone responsiblefor thevigorouscontractionsof theuterinemuscles .
Answer» SOLUTION :OXYTOCIN, from the POSTERIOR pituitary is responsible for the vigorous contractions of the uterine muscles.

Discussion

2521.	Question : Name the hormone resopnsible for the regulation of water and electrolyte balance.
Answer» SOLUTION :VASOPRESSIN or ADH (ANTIDIURETIC HORMONE)

Discussion

2522.	Question : Name the hormone resopnsible for the regulation of balance of calcium and phosphate.
Answer» SOLUTION :PARATHORMONE

Discussion

2523.	Question : Name, the hormone released from over-ripe apples and affects all other apples in a small wooden box.
Answer» SOLUTION :ETHYLENE

Discussion

2524.	Question : Name the hormone resopnsible for the regulation of blood pressure.
Answer» SOLUTION :Adrathormone

Discussion

2525.	Question : Name the hormone resopnsible for the regulation of metabolism of carbohydrates, fats and proteins.
Answer» SOLUTION :THYROXINE

Discussion

2526.	Question : Name the heart valve associated with the major arteries leaving the ventricles.
Answer» SOLUTION :SEMILUNAR VALVES.

Discussion

2527.	Question : Name the health effects of the following E-wastes.
Answer» Solution :Lead: Damages the central and peripheral nervous system. It also affects brain development in children. CHROMIUM: Asthmatic bronchitis. Cadmium: ACCUMULATES in kidney and liver, Neural damage. MERCURY: Chronic damage to brain and respiratory system. Plastics including polyvinyl CHLORIDE [PVC]: Burning produces, dioxin, which can CAUSE developmental and reproductive problems and damage the immune system.

Discussion

2528.	Question : Name the green dot like structures in some cells observed by a student when a leaf peel was viewed under a microscope. What is this green colour due to ?
Answer» SOLUTION :The green DOTS indicate chloroplast and the green colour is due to CHLOROPHYLL PIGMENT presentin chloroplast .

Discussion

2529.	Question : Name the glands present in the wall of the stomach that release secretions for digestion of good. Write the three components of secretion that are released by these glands.
Answer» Solution :GASTRIC gland THREE components of SECRETION of gastric GALAND--- (i) HYDROCHLORIC Acid (ii) Mucus (iii) Pepsin

Discussion

2530.	Question : Name the granules in the cytoplasm of cyton.
Answer» SOLUTION :Nissl.s GRANULES.

Discussion

2531.	Question : Name the glands that secretes insulin. Why are some patients of diabetes treated by giving injections of insulin ?
Answer» Solution :Pancreas SECRETES INSULIN. Insulin HELPS to lower the blood GLUCOSE level. When it is secreted in less amount, the body suffers from diabetes, as more and more glucose accumulates in the body. So, to reduce the level of glucose in the blood of the diabetes patients, they are PROVIDED with insulin injections.

Discussion

2532.	Question : Name the functional and structural unit of kidney.
Answer» SOLUTION :NEPHRON

Discussion

2533.	Question : ________ is the fourth oldest dam into the world.
Answer» Solution :Kallanai DAM, which is also CALLED Grand Anicut, is the fourth oldest dam in the WORLD. The dam is LOCATED on the river Kaveri, 20 km from the city of Tiruchirappalli.

Discussion

2534.	Question : Four rounded bodies found in mid brain
Answer» SOLUTION :CORPORA QUADRIGEMINA

Discussion

2535.	Question : Name the fossil shown is the figure below-
Answer» SOLUTION :The FIGURE SHOWS the FOSSIL of an INVERTEBRATE animal-Ammonite.

Discussion

2536.	Question : Name the form of energy obtained from sea.
Answer» Solution :The forms of ENERGY OBTAINED from sea are TIDAL energy, wave energy and ocean THERMAL energy.

Discussion

2537.	Question : Name the following : (i) Transfer of parental characters to their offsprings. (ii) Science that deals with the study of inheritance. (iii) Father of Genetics. (iv) Functional unit of hereditary material. (v) Alternative forms of same gene. (vi) Carriers of genes.
Answer» Solution :(i) Heredity/Inheritance (II) Genetics (iii) G.J. MENDEL (IV) Gene (v) ALLELES (vi) Chromosomes.

Discussion

2538.	Question : Name the following : An organism which reproduces by : (i) Binary fission (ii) Multiple fission (iii) Budding (iv) Fragmentation
Answer» Solution :(i) AMOEBA (ii) PLASMODIUM (iii) HYDRA (IV) SPIROGYRA

Discussion

2539.	Question : Name the following :(a)The process in plants that links light energy with chemical energy.(b)Organisms that can prepare their own food.(c)the cell organelle where photosynthesis occurs.(d)Cells that surround a stomatal pore.(e)Organisms thatcannotprepare their own food.(f)An enzyme secreted from gastric glands in stomach that acts on proteins.
Answer» Solution :(a) Photosynthesis - Green plants capture sunlight and convert it into chemical ENERGY with the help of chlorophyll. (b)Autotrophs - Green plants, because they can make their own food, are autotrophs. (c) Choroplasts - Are ORGANELLES where photosynthesis occursbecause they contain special pigment called chlorophyll, which is CAPABLE of capturing sunlight. (d)Guard cells - Control opening and closing of stomata by REGULATING movement of water in and out. (e) Heterotrophs - Organisms that depend onother organisms for food e.g., animals (f) Pepsin - RELEASED in stomach for digestion of proteins.

Discussion

2540.	Question : Name the following:
Answer» Solution :(a) THREE membranes, which COVER the Brain in Rabbit (i) Dura MATER(ii) Inner Piameter(iii) Arachnoid membrate (b) Division of brain (i) Fore brain (Prosencephalon) (ii) Mid brain (Mesencephalon) (iii) Hind brain (Rhombencephalon)

Discussion

2541.	Question : Name the fluid present in membranous labyrinth
Answer» SOLUTION :ENDOLYMPH

Discussion

2542.	Question : Name the factors on which the amount of water reabsorbed along the tubular part of nephron depends.
Answer» Solution :Amount of water reabsorbed by nephron depends on FOLLOWING two FACTORS : (i)HOWMUCH excess water is present in the body. (ii)Howmuchdissolved waste is to be EXCRETED out of the body.

Discussion

2543.	Question : The existence of two sets of teeth in the li fe of an animal is called _________ dentition.
Answer» SOLUTION :DIPHYODONT DENTITION

Discussion

2544.	Question : Name the excretory product of (i) reptiles (ii) Prawns (iii) Tapeworm (iv) Marine fish (v) Insects (vi) Birds.
Answer» SOLUTION :(i) URIC acid (ii) Ammonia (iii) Ammonia (iv) Urea (v) Uric Acid (VI) Uric acid.

Discussion

2545.	Question : Name the evidences of evolution, What do they support ?
Answer» Solution :(a) Evidences from morphology and Anatomy (B) Evidences from embryology (c ) Evidences from palaeontology Evolution is best understood by OBSERVING the RELATIONSHIP between the EXISTING organisms and the SIMILARITIES of the extinct organisms. These evidences support the concept that all organisms have evolved from common ancestors.

Discussion

2546.	Question : Name the enzymes present in saliva.
Answer» SOLUTION :PTYALIN.

Discussion

2547.	Question : Name the enzyme that digest fats. Mention the end products of fat digestion.
Answer» SOLUTION :LIPASE, FATTY ACIDS and GLYCEROL.

Discussion

2548.	Question : Name the enzyme that catalyses the formation of carbonic acid in erythrocytes.
Answer» SOLUTION :CARBONIC ANHYDRASE.

Discussion

2549.	Question : Name the energy currency in the living organisms. When and where is it produced?
Answer» SOLUTION :Adenosine triphosphate (ATP) produced during RESPIRATION in living ORGANISMS and also during photosynthesis in PLANTS.

Discussion

2550.	Question : Name the energycurrency in the living organism. When and where is it produced ?
Answer» Solution :Adenosine Tri phosphate (ATP)is the energy currencyin all LIVING ORGANISMS. It is PRODUCEDIN the cytoplasm andmitochondria, as a RESULT of respiration.

Discussion

Explore topic-wise InterviewSolutions in .

Question : Name the life process of an organism that helps in the growth of its population.

Question : Name the instrument used for measuring blood pressure.

Question :Name the inner most meninges of the brain.

Question : Name the Indian scientist who is known for his leading role in India's green revolution.

Question : Name the human male reproductive organ that produces sperms and also secretes a hormone. Write the functions of the secreted hormone. OR Trace the path of sperm during ejaculation and mention the gland and their functions associated with the male reproductive system.

Question : Name the hormones which regulates water and mineral metabolism in man.

Question : Name the hormones secreted by pancreas.

Question : Name the hormones secreted by the testes and ovaries.

Question :Name the hormones responsible for the following i) Excess production causes gigantism ii) Causes changes in the body during emergency. iii) Induces wilting of leaves iv) Target site is heart muscles, diaphragm and skin.

Question : Name the hormones responsible for : increasing blood glucose level.

Question : Name the hormones responsible for : development of moustache and beard in males.

Question : Name the hormones responsible for : controlling the uterus changes in menstrual cycle.

Question : Name the hormones in humans which regulates carbohydrate, protein and fat metabolism in the body. Mention the site where it is synthesized.

Question : Name the hormone which regulates carbohydrates, protein and fat metabolism in our body. Which galand secretes this hormone ? Why is it important for us to have iodised salt in our diet ?

Question : Name the hormone which is involved in phototropism. Explain its role.

Question : Name the hormone secreted by thyroid gland and state its function.

Question : Name the hormone that is secreted by our body to deal with scary situations. List any two responses shown by our body when this hormone is secreted into the blood.

Question : Name the hormone secreted by testes and ovary.

Question : Namethe hormone responsiblefor thevigorouscontractionsof theuterinemuscles .

Question : Name the hormone resopnsible for the regulation of water and electrolyte balance.

Question : Name the hormone resopnsible for the regulation of balance of calcium and phosphate.

Question : Name, the hormone released from over-ripe apples and affects all other apples in a small wooden box.

Question : Name the hormone resopnsible for the regulation of blood pressure.

Question : Name the hormone resopnsible for the regulation of metabolism of carbohydrates, fats and proteins.

Question : Name the heart valve associated with the major arteries leaving the ventricles.

Question : Name the health effects of the following E-wastes.

Question : Name the green dot like structures in some cells observed by a student when a leaf peel was viewed under a microscope. What is this green colour due to ?

Question : Name the glands present in the wall of the stomach that release secretions for digestion of good. Write the three components of secretion that are released by these glands.

Question : Name the granules in the cytoplasm of cyton.

Question : Name the glands that secretes insulin. Why are some patients of diabetes treated by giving injections of insulin ?

Question : Name the functional and structural unit of kidney.

Question : ________ is the fourth oldest dam into the world.

Question : Four rounded bodies found in mid brain

Question : Name the fossil shown is the figure below-

Question : Name the form of energy obtained from sea.

Question : Name the following : (i) Transfer of parental characters to their offsprings. (ii) Science that deals with the study of inheritance. (iii) Father of Genetics. (iv) Functional unit of hereditary material. (v) Alternative forms of same gene. (vi) Carriers of genes.

Question : Name the following : An organism which reproduces by : (i) Binary fission (ii) Multiple fission (iii) Budding (iv) Fragmentation

Question : Name the following:

Question : Name the fluid present in membranous labyrinth

Question : Name the factors on which the amount of water reabsorbed along the tubular part of nephron depends.

Question : The existence of two sets of teeth in the li fe of an animal is called _________ dentition.

Question : Name the excretory product of (i) reptiles (ii) Prawns (iii) Tapeworm (iv) Marine fish (v) Insects (vi) Birds.

Question : Name the evidences of evolution, What do they support ?

Question : Name the enzymes present in saliva.

Question : Name the enzyme that digest fats. Mention the end products of fat digestion.

Question : Name the enzyme that catalyses the formation of carbonic acid in erythrocytes.

Question : Name the energy currency in the living organisms. When and where is it produced?

Question : Name the energycurrency in the living organism. When and where is it produced ?