Biology, asked by Anonymous, 2 months ago

52. Which of the following is parthenocarpic fruit ?

(a) Orange (b) Papaya

(c) Pomegranate (d) Apple

53. The parthenogenesis refers to a fruit

(a) with seeds after pollination

(b) without seeds after pollination

(c) with viable seeds after fertilization

(d) seedless without fertilization

54. Milky water of green coconut is

(a) liquid nucellus

(b) liquid of female gametophyte

(c) liquid endosperm

(d) liquid embryo

55. Dicot embryo consists of

(a) radicle and plumule

(b) radicle, plumule, cotyledons and sometimes endosperm

(c) radicle, plumule, cotyledons and tegmen

(d) radicle, plumule, cotyledons, tegmen and testa

56. Identify the wrong statement regarding post-

fertilisation development

(a) The ovary wall develops into pericarp

(b) The outer integument of ovule develops

into tegmen

(c) The fusion nucleus (triple nucleus)

develops into endosperm

(d) The ovary develops into fruit

57. A root is adventitious when it is

(a) swollen

(b) growing in marshy places

(C)formed from plumule

(d) modified for storage

58. Fertilization of egg takes place inside

(a) anther (b) stigma

(c) pollen tube (d) embryo sac

59. The ovary after fertilization is converted into

(a) embryo (b) endosperm

(c) fruit (d) seed

60. Endosperm in Angiosperm (flowering plants) is

(a) haploid (b) diploid

(c) triploid (d) polyploid

61.Appearance of vegetative propagules from the nodes of

plants such as sugarcane and ginger is mainly because

(a)nodes are shorter than internodes

(b)nodes have meristematic cells

(c)nodes are located near the soil

(d)nodes have non-photosynthetic cells

62.The final event in the process offertilization is

(a)structural change in male and female gametes

(b)egg activation

(c)amphimixis

(d)organizational change in egg cytoplasm

63.Given below are few statements related to exter'nal

fertilization.

(a) The male and female gametes are formed and released

simultaneously

(b) Only few gametes are released into the medium

(c) Water is the medium in a majority of organisms

exhibiting external fertilization

(d) Offsprings formed as a result of external fertilization

have better chance ofsurvival than those formed inside

an organism, Choose the correct statements

(a) iii and iv (b) i and iv

(c) ii and iv (d) i and iv​

Answers

Answered by rituyadav131004
0

Answer:

52) b

53)d

54)c

56)b

57)d

58)b

59)c

60)a

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