Which process is matched with a valid example?

     Process     Example
1. seed dispersal a stamen explodes in the wind
2. fertilization a nucleus from the pollen grain fuses with a nucleus in the ovule
3. fertilization  a bee carries pollen from flower to flower
4. pollination seeds are blown from a flower onto another one by the wind
Subtopic:  Pollen - Pistil Interaction |
 60%
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh
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NEET 2023 - Target Batch - Aryan Raj Singh

From the statements given below choose the option that are not true for a typical female gametophyte of a flowering plant:

(i) It is 8-nucleated and 7-celled at maturity

(ii) It is cellular during the development

(iii) It is situated inside the nucellus

(iv) It has an egg apparatus situated at the chalazal end

1. i and iv

2. ii and iii

3. i and ii

4. ii and iv

Subtopic:  Pollen - Pistil Interaction |
 85%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

From the statements given below choose the option that are true for a typical female gametophyte of a flowering plants.
(i) It is 8-nucleate and 7-celled at maturity.
(ii) It is free nuclear during the development.
(iii) It is situated inside the integument but outside the nucellus.
(iv) It has an egg apparatus, situated at the chalazal end.
1. (i) and (iv)                        2. (ii) and (iii)
3. (i) and (ii)                         4. (ii) and (iv)

Subtopic:  Pollen - Pistil Interaction |
 83%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh