24277 + Interview Questions in Biology in Class 12 Page 397 InterviewSolution

19801.	Question : Chargaff's base complimentarity rulos aro applicable to
Answer» dsDNA mRNA ssDNA rRNA Answer :A

Discussion

19802.	Question : Charas, hashish, ganja, drugs are obtained from which part of the plant?
Answer» Root Dried leaves Inflorescences Both (B) and (C) SOLUTION :Both (B) and (C)

Discussion

19803.	Question : Charas,Bhang,and Ganja are product of _____.
Answer» ANSWER :CANNABIS INDICA

Discussion

19804.	Question : Charas, hashish, ganja are obtaied from ………. .
Answer» PAPAVER somniferum Erythroxylum coca Atropa belladona Cannabis sativa Answer :D

Discussion

19805.	Question : Characteristic of epithelial tissue is
Answer» NEVER PRODUCE glands Cells can undergo rapid divisions Abundant vascularisation Large intercellular spaces Answer :B

Discussion

19806.	Question : characteristic bracts associated with spikelet inflorescence of grasses are
Answer» involurcral BRACTS glumes pappus spathes Answer :B

Discussion

19807.	Question : Character that is expressed in hybrid is :
Answer» Dominant Recessive Multiple None of these Answer :A

Discussion

19808.	Question : Character thatis suppressed in heterozygous state in called :
Answer» dominant recessive SUPPRESSED Overshadowed Answer :B

Discussion

19809.	Question : Chaperonins and prolines are present in
Answer» CERATOPHYLLUM OPUNTIA CALOTROPIS Solanum Answer :C

Discussion

19810.	Question : Changing the codon AGC to AGA represents
Answer» MIS - SENSE MUTATION NON - sense mutation frameshift mutation DELETION mutation Answer :A

Discussion

19811.	Question : Changes in GnRH pulse in frequency in females is controlled by circulating levels of
Answer» ESTROGEN and inhibin Progesterone only Progesterone and inhibin Estrogen and progesterone Answer :D

Discussion

19812.	Question : Changesin theovaryand theuterusareinducedby the_______.
Answer» LH & FSH TRH & TSH MSH & TRH GH & PRH Answer :A

Discussion

19813.	Question : Changes in the body form of some planktonic animals with seasonal changes in temperature are grouped under:
Answer» anamorphosis cyclomorphosis METAMORPHOSIS heteromorphosis Solution :SEASONAL POLYMORPHISM, or cyclomorphosis, is FOUND among many ZOOPLANKTON, but is most conspicuous among the Cladocera.

Discussion

19814.	Question : Changes in GnRH pulse frequency in females is controlled by circulating levels of
Answer» OESTROGEN and inhibin PROGESTERONE only progesterone and inhibin oestrogen and progesterone ANSWER :D

Discussion

19815.	Question : Changes in CO2 and H+ ions concentration of blood are detected by
Answer» Chemosensitive areas of cerebelium Aortic and CERTIFIED chemoreceptors Respiratory centres in pores Both 1 and 2 Answer :B

Discussion

19816.	Question : Changeable threshold material in Renal tubules
Answer» WATER and Glucose Urea and uric acid Glucose and AMINO ACIDS Water and salts Answer :D

Discussion

19817.	Question : Change of frequency of alleles in a population results in evolution is proposed
Answer» DARWIN's THEORY LAMARCK's theory Hardy-Weinberg principle de VRIES theory Solution :Lamarck.s theory

Discussion

19818.	Question : Change in nucleus, acrosome formation, changes in mitochondria, centrioles, cytoplasm. These events take place in a reproductive system. a. In which reproductive system do these events take place? b. Why do these changes take place ?
Answer» Solution :a. Male REPRODUCTIVE SYSTEM b. To TRANSFORM the SPERMATID into a FUNCTIONAL sperm.

Discussion

19819.	Question : Change in colour of algae according to a depth in sea is called :-
Answer» Boh't EFFECT Gaudikov's effect FOGG's effect PASTEUR effect ANSWER :B

Discussion

19820.	Question : Chancroid is a sexually transmitted disease caused by:
Answer» TREPONEMA HAEMOPHILUS Neisseria Chlamydia Answer :D

Discussion

19821.	Question : Chancres are the primary lesions caused by ……….. .
Answer» NEISSERIA gonorrhoeae Treponema pallidum Plasmodium vivax Salmonella typhi Answer :B

Discussion

19822.	Question :Chancre are primary lesions caused by......
Answer» SOLUTION :SYPHILIS

Discussion

19823.	Question : Chances of survival of young ones is greater in:
Answer» fishes eutherian mammals birds Amphibians Answer :B

Discussion

19824.	Question : Chalazogamy is entry of pollen tube through micropyle.
Answer» True False Answer :POROGAMY

Discussion

19825.	Question : Define :- Chalaza
Answer» Solution :OPPOSITE of the micropylar end is the chalaza representing the basal PART of the ovule

Discussion

19826.	Question : Chain is functioned as a polypeptide, after removal of which group ?
Answer» FORMYL GROUP Non-formyl group PROMOTER GENE Enzymes Solution :Formyl group

Discussion

19827.	Question : Chains of buds attached to parental yeast cell form
Answer» pseudogamy torula condition PSEUDOMYCELIUM NONE of these ANSWER :C

Discussion

19828.	Question : Cessation of menstrual cycle in female is called_____.
Answer» ANSWER :MENOPAUSE

Discussion

19829.	Question : Certain species of wasps are seen frequently visiting flowering fig trees. What type of interaction is seen between them and why?
Answer» SOLUTION : Mutualism. It is so because wasp USES FRUITS for oviposition and DEVELOPING seeds for nourishing its LARVAE.

Discussion

19830.	Question : Certain pathogens are tissue/organ specific. Justify the statement with suitable examples.
Answer» SOLUTION :SALMONELLA typhi causes TYPHOID. It infects small intestine. while INTESTINAL endoparasite(Entamoeba histolytica) causes amoebic dysentery and infects large intestine.

Discussion

19831.	Question : Certainparts of a plantcan be benteasily withoutbreaking. This flexibilityin certainparts, like leaf and stem, canbe attributedto the abundance of
Answer» PARENCHYMA COLLENCHYMA SCLERENCHYMA xylem and PHLOEM Solution :Collenchymas providesmalleability and flexibility to certainparts of the plants.

Discussion

19832.	Question : Certain molecular processes are given in column (A). Provide the terms given to these processes in column (B), after selecting them from the terms: Recombination, gene regulation, prokaryotic, transcription, eukaryotic transcription, translation, replication, gene transfer, DNA fingerprinting
Answer» Solution :(i) Replication, (ii) Eukaryotic transcription, (III) TRANSLATION, (iv) Gene REGULATION.

Discussion

19833.	Question : Certain millipedes and Silver Fish live in nest of Army Ant feeding on their refuse. The relatioship is
Answer» COMMENSALISM MUTUALISM protocooperation scavenging. Answer :A

Discussion

19834.	Question :Certain hormones also act as tumour promoters and also oncogenic growth factors. Which statement is correct in this context ?
Answer» Estrogen act as a carcinogen in females and causes BREAST CANCER. Testosterone causes testicular cancer. CERTAIN HORMONES promotes proliferation of cancer cells which already undergoes oncogenic transformation. All STATEMENTS are correct. Answer :C

Discussion

19835.	Question : Certain genes located on chromosome 11 and 16 were found to be faulty. This resulted in deficiency in synthesis of beta globin and alpha globin chains. What is the name of this disease? Give its two symptoms.
Answer» SOLUTION :(1) When there are FAULTY genes on CHROMOSOME no. 11 and 16, there is deficiency in synthesis of beta globin and alpha globin chains. (2 ) This DISORDER is called Thalassemia. (3) Symptoms of Thalassemia: (i) Anaemia due to lack of synthesis of haemoglobin (ii) Jaundice like condition. (iii) Change and variation in the shape and size of RBCs.

Discussion

19836.	Question : Certain chemicals when tested individually are not mutagenic, but when applied together, these increase the frequency of mutation. Such chemicals are called as
Answer» COMUTAGENS RADIO potentials Mutagen Both (a) and (B) ANSWER :D

Discussion

19837.	Question : Certain characteristic demographic features of developing countries are :
Answer» High fertility high density, RAPIDLY rising mortality rate and a very YOUNG age distribution High INFANT mortality rate, low fertility, uneven population growth and a very young age distribution High mortality, high density, uneven population growth High fertility, low or rapidly falling mortality rate, rapid population growth and a very young age distribution Answer :D

Discussion

19838.	Question : Cerebrum and Cerebellum.
Answer» SOLUTION :

Discussion

19839.	Question : Cerebral hernbispheres connected by
Answer» CORPUS spongiosum corpus albicans corpora striata corpus CALLOSUM ANSWER :D

Discussion

19840.	Question : Cerebrospinal fluid is secreated by :
Answer» CEREBELLUM CHOROID plexus Olfactory LOBE Cerebrum Answer :B

Discussion

19841.	Question : Cerebral cortex and cerebral medulla are the parts of cerebrum. Name the cells which helps in conduction of impulses through these parts.
Answer» SOLUTION :Cerebral cortex has large collection of cytons while the MEDULLA has axons of the NEURONS. The axons and cytons help in the conduction of IMPULSES in neurons.

Discussion

19842.	Question : Cerebellum of brain is responsible for:
Answer» The MAINTENANCE. of EQUILIBRIUM and posture Olfactory functions Controlling OPTIC functions All of these Answer :A

Discussion

19843.	Question : Cerebralhemispheresare centres of_____.
Answer» Thinking Will power Reasoning All of these Answer :D

Discussion

19844.	Question : Centrum is absent is –
Answer» Atlas Axis Both None Answer :A

Discussion

19845.	Question : Cephaleuros virescens is parasitic on
Answer» tea coffee wheat POTATO ANSWER :A

Discussion

19846.	Question : Centre of phosphorylation is:
Answer» peroxisome Ribosome Oxysome Centrosome Answer :C

Discussion

19847.	Question : Centre which can moderate the function of respiratory rhythm centre is located in:
Answer» ANSWER :PONS

Discussion

19848.	Question : Centre of human evolutions was
Answer» Ethipoin realm Oritental realm Palaeoarctic realm Neotropical realm. Solution :GEOLOGICAL TODAY. Recent/holocene epoch, QUATERNARY period, coenzoic ERA, phanerozoic aeon.

Discussion

19849.	Question : Centre for controlling respiration lies in
Answer» CEREBRUM MEDULLA OBLONGATA thalamencephalon mid brain Answer :B

Discussion

19850.	Question : Central dogma of molecular biology was proposed by
Answer» F. Crick H. Temin D. Baltimore M. Wilkins Answer :A

Discussion

Explore topic-wise InterviewSolutions in .

Question : Chargaff's base complimentarity rulos aro applicable to

Question : Charas, hashish, ganja, drugs are obtained from which part of the plant?

Question : Charas,Bhang,and Ganja are product of _____.

Question : Charas, hashish, ganja are obtaied from ………. .

Question : Characteristic of epithelial tissue is

Question : characteristic bracts associated with spikelet inflorescence of grasses are

Question : Character that is expressed in hybrid is :

Question : Character thatis suppressed in heterozygous state in called :

Question : Chaperonins and prolines are present in

Question : Changing the codon AGC to AGA represents

Question : Changes in GnRH pulse in frequency in females is controlled by circulating levels of

Question : Changesin theovaryand theuterusareinducedby the_______.

Question : Changes in the body form of some planktonic animals with seasonal changes in temperature are grouped under:

Question : Changes in GnRH pulse frequency in females is controlled by circulating levels of

Question : Changes in CO2 and H+ ions concentration of blood are detected by

Question : Changeable threshold material in Renal tubules

Question : Change of frequency of alleles in a population results in evolution is proposed

Question : Change in nucleus, acrosome formation, changes in mitochondria, centrioles, cytoplasm. These events take place in a reproductive system. a. In which reproductive system do these events take place? b. Why do these changes take place ?

Question : Change in colour of algae according to a depth in sea is called :-

Question : Chancroid is a sexually transmitted disease caused by:

Question : Chancres are the primary lesions caused by ……….. .

Question :Chancre are primary lesions caused by......

Question : Chances of survival of young ones is greater in:

Question : Chalazogamy is entry of pollen tube through micropyle.

Question : Define :- Chalaza

Question : Chain is functioned as a polypeptide, after removal of which group ?

Question : Chains of buds attached to parental yeast cell form

Question : Cessation of menstrual cycle in female is called_____.

Question : Certain species of wasps are seen frequently visiting flowering fig trees. What type of interaction is seen between them and why?

Question : Certain pathogens are tissue/organ specific. Justify the statement with suitable examples.

Question : Certainparts of a plantcan be benteasily withoutbreaking. This flexibilityin certainparts, like leaf and stem, canbe attributedto the abundance of

Question : Certain millipedes and Silver Fish live in nest of Army Ant feeding on their refuse. The relatioship is

Question :Certain hormones also act as tumour promoters and also oncogenic growth factors. Which statement is correct in this context ?

Question : Certain genes located on chromosome 11 and 16 were found to be faulty. This resulted in deficiency in synthesis of beta globin and alpha globin chains. What is the name of this disease? Give its two symptoms.

Question : Certain chemicals when tested individually are not mutagenic, but when applied together, these increase the frequency of mutation. Such chemicals are called as

Question : Certain characteristic demographic features of developing countries are :

Question : Cerebrum and Cerebellum.

Question : Cerebral hernbispheres connected by

Question : Cerebrospinal fluid is secreated by :

Question : Cerebral cortex and cerebral medulla are the parts of cerebrum. Name the cells which helps in conduction of impulses through these parts.

Question : Cerebellum of brain is responsible for:

Question : Cerebralhemispheresare centres of_____.

Question : Centrum is absent is –

Question : Cephaleuros virescens is parasitic on

Question : Centre of phosphorylation is:

Question : Centre which can moderate the function of respiratory rhythm centre is located in:

Question : Centre of human evolutions was

Question : Centre for controlling respiration lies in

Question : Central dogma of molecular biology was proposed by