Choose the correct statement from the following

(a)

Gametes are involved in asexual reproduction

(b)

Bacteria reproduce asexually by budding

(c)

Conidia formation is a method of sexual reproduction

(d)

Yeast reproduce by budding

An eminent Indian embryologist is ______.

(a)

S.R.Kashyap

(b)

P.Maheswari

(c)

M.S. Swaminathan

(d)

K.C.Mehta

Identify the correctly matched pair.

(a)

Tuber - Allium cepa

(b)

Sucker - Pistia

(c)

Rhizome - Musa

(d)

Stolon - Zingiber

Pollen tube was discovered by ______.

(a)

J.G.Kolreuter

(b)

G.B.Amici

(c)

E.Strasburger

(d)

E.Hanning

Size of pollen grain in Myosotis ______.

(a)

10 micrometer

(b)

20 micrometer

(c)

200 micrometer

(d)

2000 micrometer

First cell of male gametophyte in angiosperm is ______.

(a)

Microspore

(b)

megaspore

(c)

Nucleus

(d)

Primary Endosperm Nucleus

Match the following

I)	External fertilization	i)	pollen grain
II)	Androecium	ii)	anther wall
III)	Male gametophyte	iii)	algae
IV)	Primary parietal layer	iv)	stamens

(a)

I	II	III	IV
iv	i	ii	iii

(b)

I	II	III	IV
iii	iv	i	ii

(c)

I	II	III	IV
iii	iv	ii	i

(d)

I	II	III	IV
iii	i	iv	ii

Arrange the layers of anther wall from locus to periphery

(a)

Epidermis,middle layers, tapetum, endothecium

(b)

Tapetum, middle layers, epidermis, endothecium

(c)

Endothecium, epidermis, middle layers, tapetum

(d)

Tapetum, middle layers endothecium epidermis

Identify the incorrect pair

(a)

sporopollenin - exine of pollen grain

(b)

tapetum – nutritive tissue for developing microspores

(c)

Nucellus – nutritive tissue for developing embryo

(d)

obturator – directs the pollen tube into micropyle

Assertion(A) : Sporopollenin preserves pollen in fossil deposits
Reason (R): Sporopollenin is resistant to physical and biological decomposition

(a)

assertion is true; reason is false

(b)

assertion is false; reason is true

(c)

Both Assertion and reason are not true

(d)

Both Assertion and reason are true.

Choose the correct statement(s) about tenuinucellate ovule.

(a)

Sporogenous cell is hypodermal

(b)

Ovules have fairly large nucellus

(c)

sporogenous cell is epidermal

(d)

ovules have single layer of nucellus tissue

Which of the following represent megagametophyte?

(a)

Ovule

(b)

Embryosac

(c)

Nucellus

(d)

Endosperm

In Haplopappus gracilis, number of chromosomes in cells of nucellus is 4. What will be the chromosome number in Primary endosperm cell?

(a)

8

(b)

12

(c)

6

(d)

2

Transmitting tissue is found in ______.

(a)

Micropylar region of ovule

(b)

Pollen tube wall

(c)

Stylar region of gynoecium

(d)

Integument

The scar left by funiculus in the seed is _______.

(a)

tegmen

(b)

radicle

(c)

epicotyl

(d)

hilum

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

(a)

water

(b)

air

(c)

butterflies

(d)

beetles

Consider the following statement(s)
i) In Protandrous flowers pistil matures earlier
ii) In Protogynous flowers pistil matures earlier
iii) Herkogamy is noticed in unisexual flowers
iv) Distyly is present in Primula

(a)

i and ii are correct

(b)

ii and iv are correct

(c)

ii and iii are correct

(d)

i and iv are correct

Coelorhiza is found in ______.

(a)

Paddy

(b)

Bean

(c)

Pea

(d)

Tridax

Parthenocarpic fruits lack _____.

(a)

Endocarp

(b)

Epicarp

(c)

Mesocarp

(d)

seed

In majority of plants pollen is liberated at _____.

(a)

1 celled stage

(b)

2 celled stage

(c)

3 celled stage

(d)

4 celled stage