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Reproduction-Sexual Reproduction in Flowering Plants [AIIMS (All India Institute of Medical Sciences) Biology]: Questions 17 - 23 of 132
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Question 17
Question MCQ▾
Essential whorls of flowers
Choices
Choice (4) | Response | |
---|---|---|
a. | Calyx and Corolla | |
b. | Androecium and Gynoecium | |
c. | Corolla and Gynoecium | |
d. | Question does not provide sufficient data or is vague |
Question 18
Question MCQ▾
In Capsella pollen grains are shed at
Choices
Choice (4) | Response | |
---|---|---|
a. | One celled stage | |
b. | Two celled stage | |
c. | Three cell stage | |
d. | Three nuclei stage |
Question 19
Question MCQ▾
The functional megaspore in Capsella is always
Choices
Choice (4) | Response | |
---|---|---|
a. | Chalazal | |
b. | Any | |
c. | Micropylar | |
d. | All of the above |
Question 20
Question MCQ▾
Microsporophyll of Angiosperms is known as:
Choices
Choice (4) | Response | |
---|---|---|
a. | Stamen | |
b. | Anther | |
c. | Androecium | |
d. | Filament |
Question 21
Question MCQ▾
Which statement is false:-
Choices
Choice (4) | Response | |
---|---|---|
a. | Unisexuality of flower induces cross pollination | |
b. | Morphological barriers are absent in Gloriosa flower | |
c. | Androgenic plants are developed by Guha & Maheshwari | |
d. | Question does not provide sufficient data or is vague |
Question 22
Question MCQ▾
The particular type of fossils of pollen grains present in area may be helpful in the exploration of
Choices
Choice (4) | Response | |
---|---|---|
a. | Fossil pteridophyte | |
b. | Petroleum | |
c. | Coal | |
d. | All a., b. and c. are correct |
Question 23
Question MCQ▾
Which of the following is wrong statement:
Choices
Choice (4) | Response | |
---|---|---|
a. | Amoeboid tapetum releases ubisch bodies | |
b. | Banana is a monocarpic plant | |
c. | Middle layer is ephemeral | |
d. | Monothecous anthers are found in Malvaceae family |