22339 + Interview Questions in Biology in Class 11

1.	Question : The sporophytes of bryophytes are called………….
Answer» SPOROGONIUM Sporangium Oogonium Antheridium Answer :A

Discussion

2.	Question : The sporophyte of bryophyte is free-living.
Answer» ANSWER :FALSE

Discussion

3.	Question : The spores of slime moulds possess (A) False walls (B) True walls (C) 80S ribosomes (D) None of these
Answer» FALSE WALLS true walls 80S ribosomes none of these Answer :B

Discussion

4.	Question : The sporophyte in mosses is .......... than in liverwort.
Answer» SOLUTION :more ELABORATE

Discussion

5.	Question : The sporangia of a fern develop on
Answer» roots stems rhizoids LEAVES

Discussion

6.	Question : The spontaneous mutation were first observed in the plant, commonly known as
Answer» PRIME rose Evening prime rose Table rose China rose Answer :B

Discussion

7.	Question : The spinal nerves are
Answer» only SENSORY only motor some sensory and some motor all are MIXED NERVES

Discussion

8.	Question : The spinal cord is enclosed in
Answer» central CANAL neural canal both 1 & 2 NONE ANSWER :B

Discussion

9.	Question : The spike potential is .................
Answer» SOLUTION :`+45 MV`

Discussion

10.	Question : The spermatophores are deposited by male cockroach on female cockroach
Answer» VAGINA spermathecal papilla oviduct NONE ANSWER :B

Discussion

11.	Question : The sphincter of Oddi guards
Answer» Hepatopancreatic DUCT Common BILE duct PANCREATIC duct Pancreatic duct CYSTIC duct SOLUTION :N/A

Discussion

12.	Question : The sperm cells show .... movement.
Answer» SOLUTION : FLAGELLAR

Discussion

13.	Question : The species of Pinus, seeds of which are edible and known chilgoza comes from
Answer» <P>P. roxburghii P. gerardiana P. monophylla P. sylvestris Answer :B

Discussion

14.	Question : The Species - Area relationship was given by _________.
Answer» WALTER Rosen Humboldt Wilson Drawn Answer :B

Discussion

15.	Question : The special structure present in C_(4)plants is
Answer» THIN cuticle multilayered epidermis Kranz anatomy one LAYERED epidermis Answer :C

Discussion

16.	Question : The space between the two membranes of nuclear envelope is
Answer» Periplastidial SPACE Perimitochondrial space Perinuclear space Perichondrial space Answer :C

Discussion

17.	Question : The space between cornea and lens is vitreous chamber.
Answer» ANSWER :FALSE

Discussion

18.	Question : The sourness of curd is due to ……………….
Answer» ACETIC ACID galactic acid lactic acid lactone Answer :C

Discussion

19.	Question : The source of somatostatin is same as that of
Answer» THYROXINE and calcitonin INSULIN and glucagon somatotropin and prolactin vasopressin and adrenline. Solution :Insulin, glucagon and somatostatin, are secreted by islets of LANGERHANS of PANCREAS, Somatostatin suppresses the release of other hormones from pancreas.

Discussion

20.	Question : The sori bearing leaves of are called sporophylls.
Answer» ANSWER :TRUE

Discussion

21.	Question : The solid linear cytoskeletal elements having a diameter of 6 nm and made up of a single type of monomer are known as
Answer» MICROTUBULES MICROFILAMENTS INTERMEDIATE filaments All the above Answer :B

Discussion

22.	Question : The soma of unipolar neuron is found in
Answer» DORSAL root GANGLION ventral root ganglion VISCERAL ganglion COLLATERAL ganglion Answer :A

Discussion

23.	Question : The sodium-potassium pump moves sodium and potassiumions across the plasma membrane by:
Answer» FACILITATED TRANSPORT ACTIVE transport cotransport ENDOCYTOSIS SOLUTION :active transport

Discussion

24.	Question : State whether the following statement is true or false.The so-called resting nucleus is not really resting.A. TrueB. False
Answer» ANSWER :TRUE

Discussion

25.	Question : The sodium-potassium pump :
Answer» UTILIZES a carrier PROTEIN and energy concentrates sodium on the outside of the membrane helps ESTABLISH an electrochemical gradient ACROSS themembrane all of the above are correct Answer :D

Discussion

26.	Question : The smooth sustained contraction of a muscle due to fusion of many twitches is called
Answer» Tendon Tetanus Twitch Rigor mortis Answer :B

Discussion

27.	Question : The smallest unit of classification is ……………… .
Answer» SPECIES sub-species CLASS GENUS ANSWER :A

Discussion

28.	Question : The smooth E.R. is generally made up of:
Answer» Cisternae Tubules Vesicle All the above Answer :B

Discussion

29.	Question : Thesmell of the room spray can be felt everywhere inside a closed room. This is because of .......... .
Answer» OSMOSIS PASSIVE tramsport DIFFUSION Imbibition Answer :C::D

Discussion

30.	Question : The smallest taxon among the following is …………………….. .
Answer» CLASS ORDER SPECIES genus Answer :C

Discussion

31.	Question : The smallest living organism is(a) Amoeba(b) yeast(c) blue-green algae(d) red or brown algae
Answer» Amoeba yeast blue-greeri ALGAE red or BROWN algae

Discussion

32.	Question : The small rounded knob like fragment in a chromosome lying beyond the secondary constriction is
Answer» CENTROMERE KINETOCHORE Satellite Telomere ANSWER :C

Discussion

33.	Question : The small heart-shaped gametophyte called a prothallus is part of the life cycle of the :
Answer» MOSSES FERNS LIVERWORTS gnetophytes SOLUTION :ferns

Discussion

34.	Question : The slug-like phase of the cellular slime mould life cycle is called a
Answer» PLASMODIUM pseudoplasmodium sporangium MACROCYST ANSWER :B

Discussion

35.	Question : The slow twitch muscle fibre which are rich in myoglobin and have abundant mitochondria are
Answer» white skeletal muscles cardiac muscles RED skeletal muscles involuntary muscles. Solution :Muscle contian a red coloured pigment CALLED myoglobin that STORES oxygen. Some muscles have high content of myoglobin which gives them reddish appearance. Such muscle are called red muscles. Such muscles. Such muscles have ABUNDANT mitrochondria and show slow RATE of contraction for long priods that's why they are called slow twitch muslces.

Discussion

36.	Question : The slime moulds and multicellular algae are present included in the kingdom-Protista because
Answer» they appear to be more closely RELATED to unicellular eukaryotes they lack important characteristics of the fungi and PLANTS. kingdom-Protista includes eukaryotic organisms that do not CLEARLY belong in the other three KINGDOMS All of the above Answer :D

Discussion

37.	Question : The skull bones are joined at the sutures by .......... tissue while the bodies of vertebrae are joined by .......................... tissue.
Answer» ANSWER :FIBROUS; CARTILAGINOUS

Discussion

38.	Question : The skin turns bluish black during ………... poisoning
Answer» SOLUTION :CARBON DIOXIDE

Discussion

39.	Question : The skeletal system is derived from the .......
Answer» SOLUTION : MESODERM

Discussion

40.	Question : The skeletal structures of sponges are in the formof ……….
Answer» SOLUTION :SPICULES

Discussion

41.	Question : The size of the prokaryotic ribosome is
Answer» 10 NM by 20 nm 10 nm by 15 nm 15 nm by 20 nm 15 nm by 25 nm Solution :The SIZE of the prokaryotic RIBOSOME is 15 nm by 20 nm.

Discussion

42.	Question : The size of TMV is
Answer» `300 xx 20 mm` `300 xx 200 MU m` `300 xx 20 nm` `300 xx 20 Å` Answer :C

Discussion

43.	Question : The size of the largest chromosome inTrilium
Answer» 42 MICRONS 22 microns 52 microns 30 microns ANSWER :D

Discussion

44.	Question : The size of pupil is controlled by the
Answer» CILIARY muscles suspensory ligaments cornea IRIS muscles Solution :The size of pupil is controlled by two types of muscles of iris, circular muscles and radial muscles.Radial muscles contract in DIM light and circular muscles contract in BRIGHT light.

Discussion

45.	Question : The size of filtration slits of glomerulus
Answer» 10 nm 20nm 15nm 25nm Answer :D

Discussion

46.	Question : The site of gaseous exchange in the lungs is:
Answer» bronchi bronchioles alveoli trachea

Discussion

47.	Question : The site of attachment of a tendon to a fixed bone is called
Answer» ORIGIN of muscle APONEUROSIS Insertion of muscle FASCIA Answer :A

Discussion

48.	Question : The site of formation of pollen grains is in the :
Answer» PISTIL RECEPTACLE PETAL STAMEN SOLUTION :stamen

Discussion

49.	Question : The site of attachment of a tendon to a movable bone is called
Answer» ORIGIN of muscle Aponeurosis INSERTION of muscle Fascia ANSWER :C

Discussion

50.	Question : The sinus venosus and conus arteriosus in the heart of frog are present on and and surface respectively
Answer» DORSAL, LATERAL VENTRAL, lateral dorsal and ventral dorsal and lateral ANSWER :B

Discussion

Explore topic-wise InterviewSolutions in Current Affairs.

Question : The sporophytes of bryophytes are called………….

Question : The sporophyte of bryophyte is free-living.

Question : The spores of slime moulds possess (A) False walls (B) True walls (C) 80S ribosomes (D) None of these

Question : The sporophyte in mosses is .......... than in liverwort.

Question : The sporangia of a fern develop on

Question : The spontaneous mutation were first observed in the plant, commonly known as

Question : The spinal nerves are

Question : The spinal cord is enclosed in

Question : The spike potential is .................

Question : The spermatophores are deposited by male cockroach on female cockroach

Question : The sphincter of Oddi guards

Question : The sperm cells show .... movement.

Question : The species of Pinus, seeds of which are edible and known chilgoza comes from

Question : The Species - Area relationship was given by _________.

Question : The special structure present in C_(4)plants is

Question : The space between the two membranes of nuclear envelope is

Question : The space between cornea and lens is vitreous chamber.

Question : The sourness of curd is due to ……………….

Question : The source of somatostatin is same as that of

Question : The sori bearing leaves of are called sporophylls.

Question : The solid linear cytoskeletal elements having a diameter of 6 nm and made up of a single type of monomer are known as

Question : The soma of unipolar neuron is found in

Question : The sodium-potassium pump moves sodium and potassiumions across the plasma membrane by:

Question : State whether the following statement is true or false.The so-called resting nucleus is not really resting.A. TrueB. False

Question : The sodium-potassium pump :

Question : The smooth sustained contraction of a muscle due to fusion of many twitches is called

Question : The smallest unit of classification is ……………… .

Question : The smooth E.R. is generally made up of:

Question : Thesmell of the room spray can be felt everywhere inside a closed room. This is because of .......... .

Question : The smallest taxon among the following is …………………….. .

Question : The smallest living organism is(a) Amoeba(b) yeast(c) blue-green algae(d) red or brown algae

Question : The small rounded knob like fragment in a chromosome lying beyond the secondary constriction is

Question : The small heart-shaped gametophyte called a prothallus is part of the life cycle of the :

Question : The slug-like phase of the cellular slime mould life cycle is called a

Question : The slow twitch muscle fibre which are rich in myoglobin and have abundant mitochondria are

Question : The slime moulds and multicellular algae are present included in the kingdom-Protista because

Question : The skull bones are joined at the sutures by .......... tissue while the bodies of vertebrae are joined by .......................... tissue.

Question : The skin turns bluish black during ………... poisoning

Question : The skeletal system is derived from the .......

Question : The skeletal structures of sponges are in the formof ……….

Question : The size of the prokaryotic ribosome is

Question : The size of TMV is

Question : The size of the largest chromosome inTrilium

Question : The size of pupil is controlled by the

Question : The size of filtration slits of glomerulus

Question : The site of gaseous exchange in the lungs is:

Question : The site of attachment of a tendon to a fixed bone is called

Question : The site of formation of pollen grains is in the :

Question : The site of attachment of a tendon to a movable bone is called

Question : The sinus venosus and conus arteriosus in the heart of frog are present on and and surface respectively