TN State Board Samacheer Kalvi Online Test for 12th Std - Biology - English - Asexual and Sexual Reproduction in Plants

Question 1 Of 10

Identify the correctly matched pair

Tuber – Allium cepa Sucker – Pistia Rhizome – Musa Stolon – Zingiber

Question 2 Of 10

a) I—iv; ll—i; III—ii; I’V—iii

1—iii; J1—iv; III—i; V—ii I—iii; I1—iv; III—ii, IV—i I—iii; II—i; III—iv; IV—ii I—iii;II—iv;III—i;1 V—ii

Question 3 Of 10

In the majority of plants, pollen is liberated at

1 celled stage 2 celled stage 3 celled stage 4 celled stage

Question 4 Of 10

Assertion : Sporopollenin preserves pollen in fossil deposits.

Assertion is true; reason is false Assertion is false; reason is true Both Assertion and reason are not true Both Assertion and reason are true

Question 5 Of 10

Identify the incorrect pair

sporopollenin – exine of pollen grain tapetum – nutritive tissue for developing microspores Nucellus – nutritive tissue for developing embryo obturator – directs the pollen tube into micropyle

Question 6 Of 10

Consider the following statement(s)

i and ii are correct ii and iv are correct ii and iii are correct i and iv are correct

Question 7 Of 10

Coelorhiza is found in

Paddy Bean Pea Tridax

Question 8 Of 10

Choose the correct statement(s) about tenuinucellate ovule

Sporogenous cell is hypodermal Ovules have fairly large nucellus sporogenous cell is epidermal ovules have single layer of nucellus tissue

Question 9 Of 10

Transmitting tissue is found in

Micropylar region of ovule Pollen tube wall Stylar region of gynoecium Integument

Question 10 Of 10

A Plant called X possesses small flower with reduced perianth and versatile anther. The probable agent for pollination would be

water air butterflies beetles

Tamil Nadu State Board ( Samacheer Kalvi ) Online Test based on Book Back Questions - 12th Standard Biology - English Medium - Asexual and Sexual Reproduction in Plants

Samacheer Kalvi 12th Biology - Asexual and Sexual Reproduction in Plants - Book Back Questions in English Medium