24277 + Interview Questions in Biology in Class 12 Page 243 InterviewSolution

12101.	Question : Name the best known contribution of Edward Jenner.
Answer» SOLUTION :VACCINATION

Discussion

12102.	Question : Name the basic requirements of any ecosystem to function and sustain.
Answer» SOLUTION :(a) Productivity. (b) DECOMPOSITION. (C ) ENERGY FLOW and. (d) Nutrient Cycling.

Discussion

12103.	Question : Name the base change and the amino acid change, responsible for sickle cell anaemia.
Answer» SOLUTION :GAG changes GUG, Glutamic acid is SUBSTITUTED by VALINE.

Discussion

12104.	Question :Name the barrier method that obstructs oxygen acceptance by attaching with sperms
Answer» A. CHEMICAL METHOD B.Hormonal method C. IUDS D. NATIONAL method Answer :A

Discussion

12105.	Question : Name the bacteriolytic enzyme present in the tears.
Answer» SOLUTION :LYSOZYME.

Discussion

12106.	Question : Name the baker's yeast.
Answer» SOLUTION :SACCHAROMYCES cerevisie

Discussion

12107.	Question : Pick the bacterial species which is not used in ethanol formation.
Answer» SOLUTION :ZYMOMONAS mobilis and SARCINA VENTRICULI.

Discussion

12108.	Question : Name the bacteria that secrete streptokinase ?
Answer» ANSWER :STREPTOCOCCUS

Discussion

12109.	Question : Name the bacteria that produce lactic acid ?
Answer» ANSWER :LACTOBACILLUS

Discussion

12110.	Question : Name the association in which one species produces poisonous substance or a change in environmental conditions that is harmful to another species.
Answer» Solution :•Amensalism. It is ALSO called as anti-biosis. E.g. Penicillium notatum (Blue mold) KILLS the bacteria by secreting penicillin an antibiotic. •The adversely affected species is called amensal while the affecting species is called as inhibitor. •The bacteria are harmed while the FUNGI (blue mold) is UNAFFECTED. • The blue mold can survive in presence or ABSENCE of bacteria.

Discussion

12111.	Question : Name the aquatic fern commonly used in paddy field as a biofertilizer.
Answer» SOLUTION :AZOLLA is the AQUATIC fern which is commonly used in paddy FIELD as a biofertilizer.

Discussion

12112.	Question : Name the anticodons required to recognize the following codons AAU, CGA, UAU, GCA,
Answer» SOLUTION :UUA, GCU, AUA and CGU.

Discussion

12113.	Question : Name the antibody responsible for allergic reaction.Also mention two chemicals released during allergic response.
Answer» Solution :IGE (epsilon) ANTIBODY is RESPONSIBLE for allergic reaction. HISTAMINE and serotonin are the chemicals released during allergic reaction.

Discussion

12114.	Question : Name the apes which are the most primitive.
Answer» SOLUTION :GIBBONS

Discussion

12115.	Question : Name the animals which eats insects.
Answer» ANSWER :INSECTIVOROUS

Discussion

12116.	Question : Name the animals that live on blood.
Answer» ANSWER :SANGUIVOROUS

Discussion

12117.	Question : Name the antibiotic used in the Lederberg's replica planting experiment.
Answer» Erythromycin Streptomycin Penicillin Neomycin Answer :C

Discussion

12118.	Question : Name the animals that feed on other animals ortheir products?
Answer» ANSWER :CARNIVOROUS

Discussion

12119.	Question :Name the animal having zonary placenta.
Answer» SOLUTION :ELEPHANTS

Discussion

12120.	Question : Name the animal protein which can not be hydrolysed by pepsin.
Answer» ANSWER :KERATIN

Discussion

12121.	Question : Name the animal in which sex is determined by number of chromosomes. Who produced the first induced mutation?
Answer» SOLUTION :HONEYBEE, H.J. MULLER

Discussion

12122.	Question : Name the ancestor of human which is described as a man with ape brain.
Answer» SOLUTION :AUSTRALOPITHECUS is described as a man with ape BRAIN.

Discussion

12123.	Question : Name the amino acid first coded in protein synthesis?
Answer» SOLUTION :METHIONINE

Discussion

12124.	Question : Name the amino acids which have only one codon each.
Answer» SOLUTION : Menthionine and TRYPTOPHAN.

Discussion

12125.	Question : Name the Agranulocytes involved in immune response.
Answer» SOLUTION :(a)LYMPHOCYTE (B)MONOCYTES

Discussion

12126.	Question : Name the agents of the following tyes of pollination.
Answer» Solution :(a) WINDS (B) BIRDS (c) Bats (d) Snails and SLUGS

Discussion

12127.	Question : Name the active chemical found in the medicinal plant Rauwolfia vomitoria. What type of diversity does it belongs to ?
Answer» Solution :Rauwolfia vomitoria can be CITED as an EXAMPLE for genetic DIVERSITY. Reserpine is an active chemical EXTRACTED from Rauwolfia vomitoria.

Discussion

12128.	Question : Name the active chemical found in the medicinal plant Ram diversity it belongs to?
Answer» SOLUTION :Rauwolfia vomitoria can be cited as an EXAMPLE for GENER chemical EXTRACTED from Rauwolfia vomitoria.

Discussion

12129.	Question : Namethe Act passed by Governmentof India to protect and improve thatqualityof our enviroment .
Answer» SOLUTION :ENVIRONMENT (PROTECTION ) ACT, 1986

Discussion

12130.	Question : What actions did the government of India take to conserve water bodies?
Answer» SOLUTION :National RIVER conservation plan (NRCP) was enacted in 1995 to improve the water quality of the rivers , which are the major fresh water resources in our country . This important assignment taken up under the NRCP includes, To capture the raw sewage flowing into the river through open drains and divert them for treatment. Setting up sewage treatment plants for treating the diverted sewage. Construction of low COST sanitation toilets to prevent open defecation on river banks.

Discussion

12131.	Question : Name the accessory reproductive glands in female which are homologous to (a) Cowper's gland and (b) Prostate gland.
Answer» SOLUTION :In FEMALE, Bartholin.s GLAND is HOMOLOGOUS to Cowper.s gland and Skene.s gland is homologous to PROSTATE gland.

Discussion

12132.	Question : Name the accessory glands of the male reproductive system.
Answer» Solution :• A PAIR of SEMINAL vesicles. • A pair of bulbourethral GLAND (Cowper.s gland). • A SINGLE prostate gland.

Discussion

12133.	Question : Name the absorbents or materials used to manage menstruation.
Answer» SOLUTION :Clean and safe absorbable clothing materials, sanitary napkins, pads, tampons and MENSTRUAL CUPS have been identified as materials used to MANAGE menstruation.

Discussion

12134.	Question : Name the 21st amino acid.
Answer» SOLUTION :SELENOCYSTEINE is the 21ST AMINO ACID.

Discussion

12135.	Question : Name the 2 types of grape wine . How they differ from one another ?
Answer» Solution :Grape wine is if TWO types , RED wine and white wine . For redwine , BLACK GRAPES are used INCLUDING skins and sometimes the stems also are used . Incontrast white wine is produced only from the juice of either white or red grapes without their skin and stems.

Discussion

12136.	Question :Name some traditional Indian foods made of wheat, rice and Bengal gram (or their products) which involve use of microbes.
Answer» Solution :(a) Food made of wheat: BHATURA, JALEBI, ETC. (b) Food made of rice: Dosa, Idli, Uttapam, etc. (c) Food made of BENGAL gram: Dhokla, pakoras, etc.

Discussion

12137.	Question : Name some traditional Indian foods made of wheat, rice and Bengal gram (or their products) which involves use of microbes.
Answer» SOLUTION :BREAD, DOSA, idli, BEVERAGES , etc.

Discussion

12138.	Question : Name techniques that are used in controlled breeding experiments.
Answer» SOLUTION :APIS mellifera, A. INDICA: A dorata, A. florea

Discussion

12139.	Question : Name some to traditional Indian foods made of wheat, rice and Bengal gram (or their products) which involve use of microbes.
Answer» SOLUTION : DOSA, Idali and UPMA.

Discussion

12140.	Question : Name some plants in which polyploidy has been induced experimentally
Answer» SOLUTION :POLYPLOIDY is induced EXPERIMENTALLY in CITRUS fruits like oranges, lemons, cotton and BANANA.

Discussion

12141.	Question : Name some guanotelic animals.
Answer» SOLUTION :SPIDERS, SCORPIONS and PENGUINS.

Discussion

12142.	Question : Name some crop varieties bred by hybridisation and selection, for disease resistance to fungi, bacteria and viral diseases.
Answer» Solution :Himgiri (WHEAT) PUSA swarnim (Brassica) Pusa shubhra (Cauliflower) Pusa KOMAL (Cowpea) Pusa SADABAHAR (Chilli)

Discussion

12143.	Question : Name some defence mechanisms in plants against herbivory.
Answer» Solution :(a) Modification of LEAVES into spines (b) DEVELOPMENT of SPINY or silieated edges in leaves

Discussion

12144.	Question : Name smooth muscles of urinary bladder.
Answer» SOLUTION :Detrousor MUSCLES are SMOOTH muscles of URINARY BLADDER.

Discussion

12145.	Question : Name our national bird.
Answer» ANSWER :PAVO (PEACOCK),

Discussion

12146.	Question : Nameonereducingagent thatisa sourceofH^(+)atomsduringN_(2)- fixation.
Answer» SOLUTION :`NADPH_ 2`

Discussion

12147.	Question : Name one plant and the addictive drug extracted from its latex. How does this drug affect the human body?
Answer» Solution :Papaver somniferum (Poppy plant) and the ADDICTIVE drug extracted from its LATEX is morphine. It is widely used in small does to relieve pain and induce sleep in cases of serious injuries, burns, fractures and SURGERIES. Its continued USE MAY cause dependence. It reduces heartbeat, blood pressure and urine output, increases blood sugar and causes constipation.

Discussion

12148.	Question : Name one microbe used in the production of single cell protein.
Answer» SOLUTION :SPIRULINA, METHYLOPHILUS methylotrophus

Discussion

12149.	Question : Name one fossilised connecting link between reptiles and Aves also one living connecting link between Annelida and Arthropoda.
Answer» Solution :Archaeoptenx -CONNECTING LINK between REPTILES and AVES. Peripatus - Connecting link between Annelida and ARTHROPODA

Discussion

12150.	Question : Name one fossil animal which serves as a connecting link. Which two groups does it connects?
Answer» SOLUTION :ARCHAEOPTERYX REPTILES and BIRDS

Discussion

Explore topic-wise InterviewSolutions in .

Question : Name the best known contribution of Edward Jenner.

Question : Name the basic requirements of any ecosystem to function and sustain.

Question : Name the base change and the amino acid change, responsible for sickle cell anaemia.

Question :Name the barrier method that obstructs oxygen acceptance by attaching with sperms

Question : Name the bacteriolytic enzyme present in the tears.

Question : Name the baker's yeast.

Question : Pick the bacterial species which is not used in ethanol formation.

Question : Name the bacteria that secrete streptokinase ?

Question : Name the bacteria that produce lactic acid ?

Question : Name the association in which one species produces poisonous substance or a change in environmental conditions that is harmful to another species.

Question : Name the aquatic fern commonly used in paddy field as a biofertilizer.

Question : Name the anticodons required to recognize the following codons AAU, CGA, UAU, GCA,

Question : Name the antibody responsible for allergic reaction.Also mention two chemicals released during allergic response.

Question : Name the apes which are the most primitive.

Question : Name the animals which eats insects.

Question : Name the animals that live on blood.

Question : Name the antibiotic used in the Lederberg's replica planting experiment.

Question : Name the animals that feed on other animals ortheir products?

Question :Name the animal having zonary placenta.

Question : Name the animal protein which can not be hydrolysed by pepsin.

Question : Name the animal in which sex is determined by number of chromosomes. Who produced the first induced mutation?

Question : Name the ancestor of human which is described as a man with ape brain.

Question : Name the amino acid first coded in protein synthesis?

Question : Name the amino acids which have only one codon each.

Question : Name the Agranulocytes involved in immune response.

Question : Name the agents of the following tyes of pollination.

Question : Name the active chemical found in the medicinal plant Rauwolfia vomitoria. What type of diversity does it belongs to ?

Question : Name the active chemical found in the medicinal plant Ram diversity it belongs to?

Question : Namethe Act passed by Governmentof India to protect and improve thatqualityof our enviroment .

Question : What actions did the government of India take to conserve water bodies?

Question : Name the accessory reproductive glands in female which are homologous to (a) Cowper's gland and (b) Prostate gland.

Question : Name the accessory glands of the male reproductive system.

Question : Name the absorbents or materials used to manage menstruation.

Question : Name the 21st amino acid.

Question : Name the 2 types of grape wine . How they differ from one another ?

Question :Name some traditional Indian foods made of wheat, rice and Bengal gram (or their products) which involve use of microbes.

Question : Name some traditional Indian foods made of wheat, rice and Bengal gram (or their products) which involves use of microbes.

Question : Name techniques that are used in controlled breeding experiments.

Question : Name some to traditional Indian foods made of wheat, rice and Bengal gram (or their products) which involve use of microbes.

Question : Name some plants in which polyploidy has been induced experimentally

Question : Name some guanotelic animals.

Question : Name some crop varieties bred by hybridisation and selection, for disease resistance to fungi, bacteria and viral diseases.

Question : Name some defence mechanisms in plants against herbivory.

Question : Name smooth muscles of urinary bladder.

Question : Name our national bird.

Question : Nameonereducingagent thatisa sourceofH^(+)atomsduringN_(2)- fixation.

Question : Name one plant and the addictive drug extracted from its latex. How does this drug affect the human body?

Question : Name one microbe used in the production of single cell protein.

Question : Name one fossilised connecting link between reptiles and Aves also one living connecting link between Annelida and Arthropoda.

Question : Name one fossil animal which serves as a connecting link. Which two groups does it connects?