Sexual Reproduction in Flowering Plants

How many meiotic and mitotic divisions need to occur for the development of a mature female gametophyte from the megaspore mother cell in an angiosperm plant?

1. 1 Meiosis and 3 Mitosis
2. No Meiosis and 2 Mitosis
3. 2 Meiosis and 3 Mitosis
4. 1 Meiosis and 2 Mitosis

Given below are two statements : One is labelled as Assertion (A) and other is labelled as Reason (R). In the light of the above statements, choose the most appropriate answer from the options given below:

1. A is true but R is false
2. A is false but R is true
3. Both A and R are true and R is the correct explanation of A
4. Both A and R are true but R is NOT the correct explanation of A

Match List-I with List-II Choose the option with all correct matches.

1. A-IV, B-III, C-I, D-II
2. A-II, B-IV, C-III, D-I
3. A-II, B-III, C-IV, D-I
4. A-IV, B-III, C-II, D-I

Identify the set of correct statements: Choose the correct answer from the options given below.

1. C, D and E only
2. A, B, C and D only
3. A, C, D and E only
4. B, C, D and E only

Identify the correct description about the given figure : [Figure]

1. Wind pollinated plant inflorescence showing flowers with well exposed stamens.
2. Water pollinated flowers showing stamens with mucilaginous covering.
3. Cleistogamous flowers showing autogamy.
4. Compact inflorescence showing complete autogamy

Which part of the ovule stores reserve food materials?

1. Nucellus
2. Integument
3. Placenta
4. Funicle

Pollen grains remain preserved as fossils due to the presence of :

1. Epidermal layer
2. Tapetum
3. Exine layer
4. Intine layer

The part marked as ‘x’ in the given figure is [Figure]

1. Endosperm
2. Thalamus
3. Endocarp
4. Mesocarp

What is the function of tassels in the corn cob?

1. To trap pollen grains
2. To disperse pollen grains
3. To protect seeds
4. To attract insects

Large, colourful, fragrant flowers with nectar are seen in

1. Bird pollinated plants
2. Bat pollinated plants
3. Wind pollinated plants
4. Insect pollinated plants