Question

29)The enzymes pepsin and trypsin are secreted respectively by

Full Marks : 1 a) Stomach and pancreas
 b) Salivary gland and stomach
 c) Liver and pancreas
 d) Liver and salivary gland

30.

30)The enzymes contained in pancreatic juices help in the digestion of:

Full Marks : 1 a) Fats and carbohydrates
 b) Proteins and fats
 c) Proteins and carbohydrates
 d) Proteins, fats and carbohydrates

31.

31)During favourable conditions, Amoeba reproduces by

Full Marks : 1 (a) multiple fission
 (b) binary fission
 (c) budding
 (d) fragmentation

32.

32)A feature of reproduction that is common to Amoeba, Yeast and Spirogyra is that

Full Marks : 1 (a) they reproduce asexually
 (b) they are all unicellular
 (c) they reproduce only sexually
 (d) they are all multicellular

33.

33)The ability of a cell to divide into several cells during reproduction in Plasmodium is called

Full Marks : 1 (a) budding
 (b) multiple fission
 (c) binary fission
 (d) reduction division

34.

34)Bryophyllum can be propagated vegetatively by the

Full Marks : 1 (a) stem
 (b) leaf
 (c) root
 (d) flower

35.

35)Vegetative propagation refers to formation of new plants from

Full Marks : 1 (a) stem, flowers and fruits
 (b) stem, leaves and flowers
 (c) stem, roots and flowers
 (d) stem, roots and leaves

36.

36) In a potato, vegetative propagation takes place by:

Full Marks : 1 (a) root
 (b) leaf
 (c) stem tuber
 (d) grafting

37.

37) Vegetatively propagated plants

Full Marks : 1 (a) do not bear roots
 (b) do not bear buds
 (c) are genetically similar
 (d) are genetically dissimilar

38.

38)Spirogyra reproduce by

Full Marks : 1 (a) budding
 (b) fragmentation
 (c) regeneration
 (d) fission

39.

39)In Rhizopus, tubular thread like structures bearing sporangia at their tips are called

Full Marks : 1 (a) filaments
 (b) hyphae
 (c) rhizoids
 (d) roots

40.

40)Plants like banana, rose, jasmine, orange have lost the capacity to produce

Full Marks : 1 (a) seeds
 (b) buds
 (c) flower
 (d) roots​

Answer 1

29) a

30) a

31) b

32) b

33) b

34) b

35) d

36) c

37) c

38) b

39) a

40) a

Answer 2

29 (c)

30 (d)

31 (b)

32 (a)

33 (b)

34 (c)

35 (c)

36 (c)

38 (b)

39 (c)

40 (a)