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

The genetic ability of a plant cell to produce the entire plant is said to be ________________

(a)

Multipotency

(b)

Totipotency

(c)

Pleuripotency

(d)

Differentiation

Which is not a part of mature seed?

(a)

Funiculus

(b)

Testa and tegma

(c)

hilum

(d)

Chalaza

Which of the following characters does not exist in Ornithophilous flowers?

(a)

Huge sized flowers

(b)

Bright coloured

(c)

Scented flowers

(d)

Nectar is secreted in large

Generally, the pollen grains are liberated from another at ___________

(a)

2-celled stage

(b)

4-celled stage

(c)

6-celled stage

(d)

8-celled stage

Identify the mismatched pair:
(i) Sucker - Chrysanthemum
(ii) Bulbils - Agave
(iii) Stolon - Fragaria
(iv) Runner - Lilium

(a)

i only

(b)

ii only

(c)

iii only

(d)

iv only

Assertion (A): Anemophilous pollination occurs by animals.
Reason (R): Pollen grains are sticky for easy attachment on animals.

(a)

A is correct R is incorrect

(b)

R explains A.

(c)

Both A and R are incorrect.

(d)

Both A and Rare correct.R does not explain A.

Identify the incorrect statement.

(a)

One seeded fruit of paddy is caryopsis.

(b)

Primitive root is called coleorhiza.

(c)

Sctellum is a part of mono cot seed.

(d)

Embryonic axis above the cotyledon is epicotyl.

Identify the parthenocarpic fruit

(a)

Banana

(b)

Pear

(c)

Papaya

(d)

More than one option is correct

The egg apparatus is made up of______________

(a)

1 egg cell and 2 antipodals

(b)

1 egg cell and 2 polar nuclei

(c)

1 egg cell and 1 secondary nuycleus

(d)

1 egg cell and 2 synergids

Ex-albuminous seeds are ________________

(a)

Pea, castor, paddy

(b)

Paddy, Coconut, Groundnut

(c)

Beans, coconut, castor

(d)

Groundnut, pea, beans

Examine the figures and name the respective type of ovule.

(a)

A	B	C	D
Campylotropus	Amphitropus	Circinotropus	Anatropus

(b)

A	B	C	D
Anatropus	Hemianatropu	Amphitropus	Campylotropus

(c)

A	B	C	D
Campylotropus	Circinotropus	Hemiamphitropu	Anatropus

(d)

A	B	C	D
Hemiamphitropus	Campylotropus	Amphitropus	Circinotropus

In anatropous ovule, the micropyle faces __________________

(a)

Right side

(b)

Left side

(c)

Upward

(d)

Downward

Identify the correct sequence of anther wall layers from periphery towards core part.

(a)

Epidermis ⟶ endothelium ⟶ stomium ⟶ lapetum

(b)

Epidermis ⟶ middle layer ⟶ endothecium ⟶ endothelium

(c)

Epidermis ⟶ endothelium ⟶ middle layers ⟶ tapetum

(d)

Epidermis ⟶ endothelium ⟶ endothecium ⟶ tapetum

Pick out the mismatched pair:

(a)

Entomophily - Insects

(b)

Malacophily - Mammals

(c)

Cheiropterophily - Bats

(d)

Omithophily - Birds

Write the names of organisms that undergo the following types of asexual reproduction.
(a) Budding
(b) fragmentation
(c) Regeneration
(d) Gemma cup formation.

Name the vegetative propagules of the following plants
(a) Allium cepa
(b) Zingiber Officinalis
(c) Agave
(d) Colocasia

What do you mean by terms 'stock' and 'scion' in grafting technique?

Name the four anther wall layers.

What is integumentary tapetum?

Define Homogamy with an example

Distinguish between monoecious and dioecious plants.

Distinguish between anemophilous flowers and ornithophilous flowers

What is the product of triple fusion? Mention its ploidy.

What is scutellum?

Discuss the importance of Modern methods in reproduction of plants.

What is Cantharophily.

Why does the zygote divides only after the division of Primary endosperm cell.

Where the stomium is located? What is its role?

What do you know about bee pollen?

Geitonogamy is similar to autogamy. Justify the statement.

Double fertilization and triple fusion are correlated terms. Comment.

Give an account on Helobial endosperm.

Arrange the following events in a proper sequence.
Embryogenesis, Zygote formation, Syngamy, Gametogenesis

If you break open the coconut fruit, we can observe a fluid part and the white kernel. What does those parts represent?

Distinguish tenuinucellate and crassinucellate ovules.

Write short note on Heterostyly.

Discuss the steps involved in Microsporogenesis.

With a suitable diagram explain the structure of an ovule.

Differentiate the structure of Dicot and Monocot seed.

Describe the development process of male gametophyte.(or) Explain the different mode of entry of pollen tube into the ovule.

Describe the development of monosporic embryo sac.