24277 + Interview Questions in Biology in Class 12

1.	Question : Sporophytic budding is found in
Answer» Citrus Pear Apple Both (2) & (3) ANSWER :A

Discussion

2.	Question : Sporopollenin is chemically :
Answer» FATTY SUBSTANCE HOMOPOLYSACCHARIDES PROTEINS Heteropolysaccharides Answer :A

Discussion

3.	Question : Sporogenous tissue gets its nourishment from layer of anther wall, which can release not only enzymes but also hormones?(A) Middle layer(B) Epidermis(C) Tapetum(D) Endothecium
Answer» MIDDLE layer Epidermis Tapetum Endothecium Answer :C

Discussion

4.	Question : Spores
Answer» Solution :Spores are ASEXUALLY REPRODUCING bodies produced INSIDE sporangia which germinate to produce new INDIVIDUAL.

Discussion

5.	Question : Spore dissemination in moss is aided by :-
Answer» TRUE ELATERS CALYPTRA PSEUDO Elaters Peristomial Teeth Answer :D

Discussion

6.	Question : Spore bearing tracheophytes :-
Answer» PTERIDOPHYTA GYMNOSPERMS ANGIOSPERMS All the above ANSWER :D

Discussion

7.	Question : What is the term for sporangium bearing leaf?
Answer» ANSWER :SPOROPHYLL

Discussion

8.	Question : Sporangiospore is common mode of asexual reproduction in :-
Answer» Phycomycetes Deuteromycetes Ascomycetes Basidiomycetes Answer :A

Discussion

9.	Question : Spongesrespire through :-
Answer» Gills Lungs Book-gills General BODY surface Answer :D

Discussion

10.	Question : Sponges are commonly of which symmetry:
Answer» Bilateral Radial Asymmetrical Biradial Answer :B

Discussion

11.	Question : Splitting of water is associated withPhotosystem I lumen of thylakoid both
Answer» PHOTOSYSTEM LUMEN of THYLAKOID both PhotosystemI and II INNER surface of thylakoid membrane Answer :B

Discussion

12.	Question : Splitting of centromere of each chomosome which was holding sister chromatids together, occurs at
Answer» Anaphase-I Anaphase-II Telophase-I Telophase-II Answer :B

Discussion

13.	Question : Splicing of RNA depends on :
Answer» hnRNA exon Intron `BETA`-galactosidase Answer :A

Discussion

14.	Question : Split geen is seen in _____.
Answer» ANSWER :EUKARYOTES

Discussion

15.	Question : Spliceosomes remove
Answer» INTRONS from DNA Intron TRANSCRIPTS from MRNA EXON transcripts from hn RNA Intro ntranscripts from hn RNA ANSWER :D

Discussion

16.	Question : Spliceosomes are associated with
Answer» DNA hn RNA mRNA tRNA ANSWER :B

Discussion

17.	Question : Spiti breed of horse is found in
Answer» ladakh himachal PRADESH RAJASTHAN GUJRAT ANSWER :B

Discussion

18.	Question : Spirogyral lateral conjugation takes place in
Answer» HETEROSPOROUS SPECIES homosporous species heterothallic species homothallic species Answer :D

Discussion

19.	Question : Spirocyclic (hemicyclic ) numerous free stamens and apocarpous carpels are found in the family
Answer» Cucurbitaceae Cruciferae Ranunculaceae Labiatae Answer :C

Discussion

20.	Question : Spiny leaves and photosynthetic stem are the features of :
Answer» Opuntia Citrus Vallisneria Hydrilla Answer :A

Discussion

21.	Question : Spindly arms and legs,pot belly ,moon face,buffalo hump are some manifestations of
Answer» Cushing's syndrome Addison's disease Parkinson's disease Graves disease Answer :A

Discussion

22.	Question : Spindles are arrested by colchicine at:
Answer» Anaphase Metaphase Telophase Prophase Answer :B

Discussion

23.	Question : Spindle fibres are chemically formed of:
Answer» Actin Myosin Collagen Tubulin Answer :D

Discussion

24.	Question : Spindle fibre unite with which structure of chromosomes:
Answer» Chromocentre Chromomere Kinetochore Centriole Answer :C

Discussion

25.	Question : Spindle shaped pyramid of number is noticed in forest ecosystem. Give Reasons.
Answer» Solution :In a forest ecosystem the pyramid of number is spindle in shape, it is because the BASE `(T_(1))` of the pyramid occupies large sized TREES (Producer) which are lesser in number. Herbivores `(T_(2))` (Fruit eating birds, elephant and deer) occupying second trophic level, are more in number than the producers. In final trophic level `(T_(4))`, tertiary consumers (lion) are lesser in number than the SECONDARY consumer `(T_(3))` (fox and SNAKE).

Discussion

26.	Question : Spindle shaped pyramid is a character of ………. .
Answer» POND ecosystem grassland ecosystem Parasite ecosystem Forest ecosystem Answer :D

Discussion

27.	Question : Spike with unisexual flowers is called.........
Answer» ANSWER :CATKIN

Discussion

28.	Question : Spinal cord and sympathetic ganglion of autonomous nervous system are connected by …………………..
Answer» RAMUS ventralis ramus communicans ramus dorsalis connective Answer :B

Discussion

29.	Question : spike occurs in
Answer» banana mulberry wheat BOTTLE brush Answer :d

Discussion

30.	Question : Spike is the same as raceme but flowers have no...........
Answer» ANSWER :STALKS

Discussion

31.	Question : Sperms of both Funaria and Pteris were released together near the archegonia of Pteris. Only Pteris sperms enter the archegonia as
Answer» Pteris archegonia repel FUNARIA SPERMS Funaria sperms GET killed by Pteris sperms Funaria sperms are less mobile Pteris archegonia release chemical to ATTRACT its sperms Solution :(d) In Dryopteris and Pteris, when fertilisation occurs, sperms are attracted by the chemical diffusing into the water from the mucilage exuded by the open NECKS of archegonia of the older prothalli, some of them make their way down the canal to the egg in the venter and only one of these enters the egg to accomplish fertilisation.

Discussion

32.	Question : Sphaerosomes contain:
Answer» CELLULOSE reserve PROTEIN reserve Lipid reserve Both protein and lipid Answer :B

Discussion

33.	Question : Spermiogenesis/spermateleosis is formation of spermatozoa from
Answer» PRIMARY spermatocytes Secondary spermatocyte Spermatids Germinal CELLS of TESTES. ANSWER :C

Discussion

34.	Question : Sperms and ova develop from
Answer» ECTODERM MESODERM ENDODERM both ectoderm and mesoderm ANSWER :B

Discussion

35.	Question : Spermiogenesis :
Answer» Solution :The SPERMATIDS are TRANSFORMED into SPERMATOZOA by the process called SPERMIOGENESIS.

Discussion

36.	Question : Spermiation is the process of the release of sperms from
Answer» Seminiferous tubules Vas deferens Epididymis Prostate gland SOLUTION :From sertoli cells, sperms are RELEASED from the seminiferous tubules by the PROCESS of spermiation for temporary STORAGE, sperms move from seminiferous tubules to epididymis by vasa DEFERENCE.

Discussion

37.	Question : Spermatozoa get nutrition from Sertoli cells.(True/false)
Answer» ANSWER :1

Discussion

38.	Question : Spermatogenesis process occur in
Answer» Rete TESTIS SEMINIFEROUS Tubules Septula testis MEDIASTINUM testis ANSWER :B

Discussion

39.	Question : Spermatogenesis and sperm differentiation are under the control of
Answer» FSH LH Progesterone Parathyroid Harmone Answer :A

Discussion

40.	Question : Spermatogenesis is induced by:
Answer» FSH ACTH ATC ATH Answer :A

Discussion

41.	Question : Spermatogenesis and oogenesis
Answer» SOLUTION :

Discussion

42.	Question : Spermatidus are transformed into spermatozoa by the process of
Answer» Spermiogenesis Spermiation Spermatogenesis Spermatolysis Answer :A

Discussion

43.	Question : Spermatisationoccurs in
Answer» RHIZOPUS PENICILLIUM Puccinia Mucor ANSWER :B

Discussion

44.	Question : Spermatids are transformed into spermatozoa bya)Spermatogenesisb)Spermiationc)Spermiogenesis
Answer» Spermatogenesis Spermiation Spermiogenesis Spermatosis Answer :C

Discussion

45.	Question : Spermatids are transformed into spermatozoa by
Answer» SPERMIATION spermatogenesis meiosis spermiogenesis Answer :D

Discussion

46.	Question : Spermatid - overset(A)tospermatozoa. What does 'A' stands for?
Answer» SPERMATOGENESIS SPERMIATION SPERMIOGENESIS GAMETOGENESIS SOLUTION :Spermiogenesis

Discussion

47.	Question : Spermatid - Spermatozoa
Answer» Solution :Spermatid : In maturation phase of spermatogenesis haploid spermatids are produced at the second stage. Spermatozoa : Spermatids after passing from spermiogenesis produce spermatozoa as motile and MATURE REPRODUCTIVE CELL.

Discussion

48.	Question : Spermatid
Answer» Solution :Location : As soon as HEAD and middle part of a sperm enters into secondary oocyte, nucleus present in head is know as SPERMATID. FUNCTION : Spermatid UNITES with oocyte and form a ZYGOTE.

Discussion

49.	Question : 'Spermatic cord' Joins the
Answer» Testis with ventral ABDOMINAL wall Testis with DORSAL abdominal wall Scrotal SACS ventral abdominal wall Scrotal sacs dorsal abdominal wall Answer :B

Discussion

50.	Question : Sperm s move actively in female genital tract by
Answer» CREEPING GLIDING Swimming JET PROPULSION. Answer :C

Discussion

Explore topic-wise InterviewSolutions in Current Affairs.

Question : Sporophytic budding is found in

Question : Sporopollenin is chemically :

Question : Sporogenous tissue gets its nourishment from layer of anther wall, which can release not only enzymes but also hormones?(A) Middle layer(B) Epidermis(C) Tapetum(D) Endothecium

Question : Spores

Question : Spore dissemination in moss is aided by :-

Question : Spore bearing tracheophytes :-

Question : What is the term for sporangium bearing leaf?

Question : Sporangiospore is common mode of asexual reproduction in :-

Question : Spongesrespire through :-

Question : Sponges are commonly of which symmetry:

Question : Splitting of water is associated withPhotosystem I lumen of thylakoid both

Question : Splitting of centromere of each chomosome which was holding sister chromatids together, occurs at

Question : Splicing of RNA depends on :

Question : Split geen is seen in _____.

Question : Spliceosomes remove

Question : Spliceosomes are associated with

Question : Spiti breed of horse is found in

Question : Spirogyral lateral conjugation takes place in

Question : Spirocyclic (hemicyclic ) numerous free stamens and apocarpous carpels are found in the family

Question : Spiny leaves and photosynthetic stem are the features of :

Question : Spindly arms and legs,pot belly ,moon face,buffalo hump are some manifestations of

Question : Spindles are arrested by colchicine at:

Question : Spindle fibres are chemically formed of:

Question : Spindle fibre unite with which structure of chromosomes:

Question : Spindle shaped pyramid of number is noticed in forest ecosystem. Give Reasons.

Question : Spindle shaped pyramid is a character of ………. .

Question : Spike with unisexual flowers is called.........

Question : Spinal cord and sympathetic ganglion of autonomous nervous system are connected by …………………..

Question : spike occurs in

Question : Spike is the same as raceme but flowers have no...........

Question : Sperms of both Funaria and Pteris were released together near the archegonia of Pteris. Only Pteris sperms enter the archegonia as

Question : Sphaerosomes contain:

Question : Spermiogenesis/spermateleosis is formation of spermatozoa from

Question : Sperms and ova develop from

Question : Spermiogenesis :

Question : Spermiation is the process of the release of sperms from

Question : Spermatozoa get nutrition from Sertoli cells.(True/false)

Question : Spermatogenesis process occur in

Question : Spermatogenesis and sperm differentiation are under the control of

Question : Spermatogenesis is induced by:

Question : Spermatogenesis and oogenesis

Question : Spermatidus are transformed into spermatozoa by the process of

Question : Spermatisationoccurs in

Question : Spermatids are transformed into spermatozoa bya)Spermatogenesisb)Spermiationc)Spermiogenesis

Question : Spermatids are transformed into spermatozoa by

Question : Spermatid - overset(A)tospermatozoa. What does 'A' stands for?

Question : Spermatid - Spermatozoa

Question : Spermatid

Question : 'Spermatic cord' Joins the

Question : Sperm s move actively in female genital tract by