22339 + Interview Questions in Biology in Class 11

1.	Question : The most abundant lipid in the cell membrane is
Answer» cutin glycolipid steroid PHOSPHOGLYCERIDES. Solution :The LIPID component of the CELL membrane MAINLY CONSISTS of phosphoglycerides.

Discussion

2.	Question : The most abundant element present in the plants is
Answer» nitrogen manganese iron carbon Answer :D

Discussion

3.	Question : The most abundant enzyme in world
Answer» RuBiCO PEPcase Deaminase Carbonase Answer :A

Discussion

4.	Question : The most abundant chemical in living organisms could be
Answer» PROTEIN WATER sugar nucleic acid. Answer :B

Discussion

5.	Question : The most abundant chemical in living organisms could be (A)Protein (B)Water (C) Sugar (D) Nucleic acid
Answer» protein WATER sugar nucleic acid Solution :In living ORGANISMS abundantly FOUND CHEMICAL is water.

Discussion

6.	Question : The morphology of chromosomes can be best studied during ………………….. Stage of mitosis when they are ………………………….. And arranged along the ……………………..
Answer» SOLUTION :METAPHASE, sprieally COILED, equtional PLANE

Discussion

7.	Question : The monomer of the myosin molecule is ..............
Answer» SOLUTION :MEROMYOSIN

Discussion

8.	Question : The monograph of Pheretima posthuma is given by
Answer» LAMARCK LINNAEUS K.N.Bahl GEORGES cuiver ANSWER :C

Discussion

9.	Question : The "__________________" molecule is made up of four polynucleotide chains.
Answer» ANSWER :HAEMOGLOBIN

Discussion

10.	Question : The modified bract in spadix is
Answer» Glume LEMMA SPATHE INVOLUCRE ANSWER :C

Discussion

11.	Question : State whether the following statement is true or false. The modern model of plasma membrane structure was firstdescribed in 1986. A. TrueB. False
Answer» ANSWER :FALSE

Discussion

12.	Question : The mode of respirations in frog that occurs in water is
Answer» buccophayngeal, CUTANEOUS & PULMONARY buccophayngeal and pulmonary cutaneous only pulmonary only ANSWER :C

Discussion

13.	Question : The mode of asexual reproduction in bacteria is by
Answer» FORMATION of gametes Endospore formation conjugation Zoospore formation Answer :B

Discussion

14.	Question : The mode of nutrition in Kingdom Fungi is mainly(a) autotrophic(b) heterotrophic(c) saprophytic(d) parasitic
Answer» autotrophic heterotrophic saprophytic parasitic

Discussion

15.	Question : The mode of arrangement of sepals or petals in a floral bud is known as aestivation. Draw the various types of aestivation possible for a typical pentamerous flower.
Answer» Solution :The mode of arrangement of SEPALS or PETALS in floral BUD with respect to the other members of the same whorl is known as AESTIVATION. For answer see SECTION - A, Q. No. 14

Discussion

16.	Question : The mode of arrangement of either sepals or petals of a flower in bud condition is called aestivation. Draw the various types of aestivation.
Answer» SOLUTION :

Discussion

17.	Question : The mitral valve has _____ cusps while the aortic valve possesses ______ cusps.
Answer» SOLUTION : TWO, THREE

Discussion

18.	Question : The mitochondria of muscle cells are called
Answer» sarcoplasm oxysomes lysosomes sarcosomes ANSWER :D

Discussion

19.	Question : The minute pores on the body of sponges are called ………………….. .
Answer» oseuliem OSTIA CHOANOCYTES SPONGOCOEL SOLUTION :ostia

Discussion

20.	Question : The minimum number of meiotic divisions required to produce 400 seeds in apea plant is.
Answer» 200 700 500 400 Answer :D

Discussion

21.	Question : The minimum number of mieotic divisions required to produce 200 seeds of a typical angiospermic plant are
Answer» 200 225 250 400 Answer :C

Discussion

22.	Question : The minimum and maximum number of hydrogen bonds found in a coil of ds-DNA respectively are
Answer» 10 and 10 20 and 20 30 and 20 20 and 30 Answer :D

Discussion

23.	Question : The mineral element essential for nitrogen metabolism is:
Answer» ZN `MN^(2+)` Mo `Al^(3+)` Answer :C

Discussion

24.	Question : The middle ear of the frog is externally closed by
Answer» MUCUS membrane CILIATED EPITHELIUM tympanic membrane nictitating membrane ANSWER :C

Discussion

25.	Question : The microenvironment for neuronal activity is provided by
Answer» fasciculi axons nerves neuroglial CELLS ANSWER :D

Discussion

26.	Question : The method of genetic recombination/ parasexuality in bacteria is known as
Answer» CONJUGATION transformation transduction all of these ANSWER :D

Discussion

27.	Question : The method of directly injecting a sperm into ovum in assisted reproductive technology is called
Answer» GIFT ZIFT ICSI ET Answer :C

Discussion

28.	Question : The metazoans without cell walls with eukaryote cells are placed in which Kingdom?
Answer» SOLUTION :KINGDOM ANIMALIA.

Discussion

29.	Question : The metabolites which does not show any direct function in growth is called_____metabolite.
Answer» Primary SECONDARY Tertiary Quaternary Solution :Secondary

Discussion

30.	Question : Metacentric chromosomes are _____ shaped chromosomes.
Answer» L V J I Solution :V

Discussion

31.	Question : The metabolic disorders examined by ammiocentesis are
Answer» phenyl KETONURIA kwashiorkor both 1 & 2 marasmus ANSWER :A

Discussion

32.	Question : The meristem responsible for extra stelar secondary growth in dicot stem is
Answer» interfascicular cambium intrafascicular cambium intercalary meristem phellogen Answer :D

Discussion

33.	Question : The meristematic tissue developed in the extra-stelar regionis ………..
Answer» SOLUTION :PHELLOGEN

Discussion

34.	Question : The membranous layranth is filled with ........
Answer» SOLUTION :ENDOLYMPH

Discussion

35.	Question : The membranes that suspend vertebrate organs in the body cavity are called :
Answer» VISCERAL MUSCLE coelomic membranes ligaments mesenteries SOLUTION :mesenteries

Discussion

36.	Question : The membrane that gives us the ablity to discriminate different pitches of sound is the
Answer» ROUND window tympanic MEMBRANE tectorial membrane basilar membrane

Discussion

37.	Question : The membrane bound space found in the cytoplasm of a cell is
Answer» CENTROSOME VACUOLE Centriole ER ANSWER :B

Discussion

38.	Question : The membrane less space present nearer to the nucleus in animal cell is
Answer» Spherosome Centrosome Basal bodies Chondriosome ANSWER :B

Discussion

39.	Question : The membrane around the vacuole is called :
Answer» Tonoplast Cytoplast Leucoplast Amyloplast Answer :A

Discussion

40.	Question : The megaspore of a conifer, which is never released from the sporangium, divides by mitosis to produce a :
Answer» MALE gametophyte FEMALE gametophyte MULTICELLULAR embryo pollen grain Solution : female gametophyte

Discussion

41.	Question : The megaspore mother cell in pinus divides........ to form four megaspores.
Answer» SOLUTION :meiotically

Discussion

42.	Question : The median dark line on the mid dorsal part of the body of earthworm indicates
Answer» DORSAL pores Nerve cord Dorsal BLOOD VESSEL Ventral blood vessel ANSWER :C

Discussion

43.	Question : The medulla of kidney is divided into a few conical tissue masses called ..............
Answer» SOLUTION :RENAL PYRAMIDS

Discussion

44.	Question : The medulla acts as a nerve tract between cortex and the …………………. .
Answer» SOLUTION :DIENCEPHALON

Discussion

45.	Question : The mechanism which is involved in zoospore formation in Chlamydomonas is called
Answer» Mitosis Meiosis Amitosis Endomitosis Answer :A

Discussion

46.	Question : The maximum volume of air that can be moved out during a single breath following a maximal
Answer» SOLUTION :VITAL CAPACITY

Discussion

47.	Question : The maximum growth rate occurs in
Answer» STATIONARY PHASE SENESCENT phase LAG phase Expotential phase ANSWER :D

Discussion

48.	Question : The maximum growth rate is observed during(a) lag phase(b) log phase(c) stationary phase(d) senescence
Answer» LAG phase log phase stationary phase semescence

Discussion

49.	Question : The mature seeds of plants such as gram and peas, possess no endosperm, because :
Answer» these plants are not angiosperms there is no fertilization in them endosperm is not formed in them endosperm GETS used by the DEVELOPING EMBRYO during SEED development Solution :endosperm gets used by the developing embryo during seed development

Discussion

50.	Question : The mature seeds of plants such as gram and peas , possess no endosperm, because
Answer» These plants are not angiosperms There is no DOUBLE fertilization in them ENDOSPERM is not formed in them Endosperm gets USED up by the developing embryo during seed development Solution :Endosperm is a nutrient tissue of a seed that PROVIDES nutrition to embryo either before germination or after nutrition. So seed is non endospermic. Means there is no endosperm in MATURE seed.

Discussion

Explore topic-wise InterviewSolutions in Current Affairs.

Question : The most abundant lipid in the cell membrane is

Question : The most abundant element present in the plants is

Question : The most abundant enzyme in world

Question : The most abundant chemical in living organisms could be

Question : The most abundant chemical in living organisms could be (A)Protein (B)Water (C) Sugar (D) Nucleic acid

Question : The morphology of chromosomes can be best studied during ………………….. Stage of mitosis when they are ………………………….. And arranged along the ……………………..

Question : The monomer of the myosin molecule is ..............

Question : The monograph of Pheretima posthuma is given by

Question : The "__________________" molecule is made up of four polynucleotide chains.

Question : The modified bract in spadix is

Question : State whether the following statement is true or false. The modern model of plasma membrane structure was firstdescribed in 1986. A. TrueB. False

Question : The mode of respirations in frog that occurs in water is

Question : The mode of asexual reproduction in bacteria is by

Question : The mode of nutrition in Kingdom Fungi is mainly(a) autotrophic(b) heterotrophic(c) saprophytic(d) parasitic

Question : The mode of arrangement of sepals or petals in a floral bud is known as aestivation. Draw the various types of aestivation possible for a typical pentamerous flower.

Question : The mode of arrangement of either sepals or petals of a flower in bud condition is called aestivation. Draw the various types of aestivation.

Question : The mitral valve has _____ cusps while the aortic valve possesses ______ cusps.

Question : The mitochondria of muscle cells are called

Question : The minute pores on the body of sponges are called ………………….. .

Question : The minimum number of meiotic divisions required to produce 400 seeds in apea plant is.

Question : The minimum number of mieotic divisions required to produce 200 seeds of a typical angiospermic plant are

Question : The minimum and maximum number of hydrogen bonds found in a coil of ds-DNA respectively are

Question : The mineral element essential for nitrogen metabolism is:

Question : The middle ear of the frog is externally closed by

Question : The microenvironment for neuronal activity is provided by

Question : The method of genetic recombination/ parasexuality in bacteria is known as

Question : The method of directly injecting a sperm into ovum in assisted reproductive technology is called

Question : The metazoans without cell walls with eukaryote cells are placed in which Kingdom?

Question : The metabolites which does not show any direct function in growth is called_____metabolite.

Question : Metacentric chromosomes are _____ shaped chromosomes.

Question : The metabolic disorders examined by ammiocentesis are

Question : The meristem responsible for extra stelar secondary growth in dicot stem is

Question : The meristematic tissue developed in the extra-stelar regionis ………..

Question : The membranous layranth is filled with ........

Question : The membranes that suspend vertebrate organs in the body cavity are called :

Question : The membrane that gives us the ablity to discriminate different pitches of sound is the

Question : The membrane bound space found in the cytoplasm of a cell is

Question : The membrane less space present nearer to the nucleus in animal cell is

Question : The membrane around the vacuole is called :

Question : The megaspore of a conifer, which is never released from the sporangium, divides by mitosis to produce a :

Question : The megaspore mother cell in pinus divides........ to form four megaspores.

Question : The median dark line on the mid dorsal part of the body of earthworm indicates

Question : The medulla of kidney is divided into a few conical tissue masses called ..............

Question : The medulla acts as a nerve tract between cortex and the …………………. .

Question : The mechanism which is involved in zoospore formation in Chlamydomonas is called

Question : The maximum volume of air that can be moved out during a single breath following a maximal

Question : The maximum growth rate occurs in

Question : The maximum growth rate is observed during(a) lag phase(b) log phase(c) stationary phase(d) senescence

Question : The mature seeds of plants such as gram and peas, possess no endosperm, because :

Question : The mature seeds of plants such as gram and peas , possess no endosperm, because

Question : The mitral valve has _ cusps while the aortic valve possesses __ cusps.