1
NEET 2022 Phase 2
MCQ (Single Correct Answer)
+4
-1

The residual persistent part which forms the perisperm in the seeds of beet is

A
Integument
B
Calyx
C
Endosperm
D
Nucellus
2
NEET 2022 Phase 2
MCQ (Single Correct Answer)
+4
-1

To ensure that only the desired pollens fall on the stigma in artificial hybridization process

(a) the female flower buds of plant producing unisexual flowers need not be bagged.

(b) there is no need to emasculate unisexual flowers of selected female parent

(c) emasculated flowers are to be bagged immediately after cross pollination

(d) emasculated flowers are to be bagged after removal of anthers

(e) bisexual flowers, showing protogyny are never selected for cross

Choose the correct answer from the options given belows

A
(a), (d) and (e) only
B
(a), (b) and (c) only
C
(b), (c) and (d) only
D
(b), (c) and (e) only
3
NEET 2022 Phase 2
MCQ (Single Correct Answer)
+4
-1

In general the egg apparatus of embryo sac in angiosperm consists of

A
One egg cell, two synergids, two antipodal cells, two Polar nuclei
B
One egg cell, two synergids, three antipodal cells, two Polar nuclei
C
One egg cell, two synergids, two antipodal cells, three Polar nuclei
D
One egg cell, three synergids, two antipodal cells, two Polar nuclei
4
NEET 2022 Phase 1
MCQ (Single Correct Answer)
+4
-1

Given below are two statements:

Statement I : Cleistogamous flowers are invariably autogamous

Statement II : Cleistogamy is disadvantageous as there is no chance for cross pollination

In the light of the above statements, choose the correct answer from the options given below :

A
Both Statement I and Statement II are correct
B
Both Statement I and Statement II are incorrect
C
Statement I is correct but Statement II is incorrect
D
Statement I is incorrect but Statement II is correct
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