Free Sexual Reproduction In Flowering Plants (Weekly Quiz: 4) NEET Biology Questions & Answers with Detailed Explanation & Full Review

Question-1

Identify A to F in the diagram given below.

(a) A–Meiosis-I, B– Meiosis-II, C–Mitosis, D–Mitosis, E–Mitosis, F–Embryo sac

(b) A–Mitosis, B–Meiosis-I, C–Meiosis-II, D–Mitosis, E–Meiosis, F–Meiosis

(c) A–Embryo, B–Meiosis-I, C–Meiosis-II, D–Mitosis, E–Mitosis, F–Mitosis

(d) A–Mitosis, B–Mitosis, C–Mitosis, D–Meiosis, E–Meiosis, F–Meiosis

Question-2

Which one of the following is correctly matched?

(a) Onion–Bulb

(b) Chlamydomonas–Conidia

(c) Ginger–Sucker

(d) Yeast–Zoospores

Question-3

Male gametophyte in angiosperms produces:

(a) Three sperms

(b) Single sperm and a vegetative cell

(c) Two sperms and a vegetative cell

(d) Single sperm and two vegetative cells

Question-4

Persistent nucellus in the seed is known as

(a) hilum

(b) perisperm

(c) tegmen

(d) chalaza

Question-5

The endosperm found in angiosperms seed is different from that of gymnosperms in the sense that, in the former

(a) it is formed before fertilization while in the latter it is formed after fertilization.

(b) it is cellular while in the latter it is nuclear.

(c) it is formed after fertilization.

(d) it is nutritive while in the latter it is protective.

Question-6

Exine of pollen is made up of

(a) sporogenous tissue

(b) sporopollenin

(c) spongiform tissue

(d) inorganic material

Question-7

Which of the following options is correct?

(a) Pollination gives the guarantee of the promotion of post-pollination events that lead to fertilization.

(b) Pollen-pistil interaction is a dynamic process involving pollen recognition followed by only promotion (not rejection) of the pollen.

(c) The events – “from pollen deposition on stigma until pollen tubes enter the ovule” are together referred to as pollen-pistil interaction.

(d) Pistil has no ability to recognise the pollen, whether right or wrong type.

Question-8

What are the parts A and B in this figure?

(a) A: Tapetal cell, B: Generative cell

(b) A: Generative cell, B: Vegetative cell

(c) A: Vegetative cell, B: Generative cell

(d) A: Homogenous cell, B: Tapetal cell

Question-9

The foul odour secreted by flowers are pollinated by

(a) Wasps and ants

(b) Flies and beetles

(c) Birds

(d) None of these

Question-10

Which one of the following statements is not true?

(a) Pollen grains of some plants cause severe allergies and bronchial affiliations in some people.

(b) Pollen grains are rich in nutrients and they are used in the form on tablets and syrups.

(c) The flowers pollinated by flies and bats secrete foul odour to attract them.

(d) Honey is made by bees by digesting pollen collected from flowers.