NEET (2024 Updated)-National Eligibility cum Entrance Test (Medical) Biology: Questions 277 - 281 of 4199
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Question 277
Question MCQ▾
Which of the following occurs first in the light reaction?
Choices
Choice (4) | Response | |
---|---|---|
a. | Photolysis of water | |
b. | Evolution of ATP and O2. | |
c. | Production of O2 and NADPH2. | |
d. | Oxidation of chlorophyll. |
Question 278
Question MCQ▾
Surgical removal or cutting and ligation of the ends of oviduct is known as
Choices
Choice (4) | Response | |
---|---|---|
a. | Tubectomy | |
b. | Vasectomy | |
c. | Ovariectomy | |
d. | Oviductomy |
Question 279
Question MCQ▾
The plant whose seeds are known to have longest viability period is
Choices
Choice (4) | Response | |
---|---|---|
a. | Triticum vulgare (wheat) | |
b. | Nelumbo nucifera (lotus) | |
c. | Zizyphus jujube (bar) | |
d. | Carica papaya (papaya) |
Question 280
Question MCQ▾
In physiological anisogamy
Choices
Choice (4) | Response | |
---|---|---|
a. | Gametes are morphologically similar but physiologically dissimilar. | |
b. | Gametes are morphologically dissimilar and physiologically similar. | |
c. | Gametes are morphologically and physiologically similar. | |
d. | Question does not provide sufficient data or is vague |
Question 281
Question MCQ▾
Correct definition of pollination is
Choices
Choice (4) | Response | |
---|---|---|
a. | Visits of insects in flower. | |
b. | Germination of pollen grain. | |
c. | Growth of pollen tube in ovule. | |
d. | Transfer of pollen grain from anther to stigma. |