Plant Physiology (NEET (NTA)-National Eligibility cum Entrance Test (Medical) Biology): Questions 171 - 178 of 279
Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 3473 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. View Sample Explanation or View Features.
Rs. 700.00 or
Question number: 171
» Plant Physiology » Mineral Nutrients » Deficiency Symptoms
Question
In plants a common symptom caused by deficiency of P, K, Ca and Mg is the
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | Appearance of dead necrotic areas. |
|
| b. | Bending of leaf tip |
|
| c. | Formation of anthocyanin |
|
| d. | Poor development of vasculature |
|
Question number: 172
» Plant Physiology » Photosynthesis » Photorespiration C3 and C4 Pathways
Question
How many Calvin cycle form one hexose molecule?
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | 6 |
|
| b. | 8 |
|
| c. | 4 |
|
| d. | 2 |
|
Question number: 173
» Plant Physiology » Transport in Plants » Water Potential
Question
The transport of water and salts takes place through
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | Phloem |
|
| b. | Sieve tubes |
|
| c. | Sclerenchyma |
|
| d. | Xylem |
|
Question number: 174
» Plant Physiology » Transport in Plants » Transpiration-Opening and Closing of Stomata
Question
Opening and closing of stomata is controlled by
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | N |
|
| b. | Mg2+ |
|
| c. | K+ |
|
| d. | Ca2+ |
|
Question number: 175
» Plant Physiology » Photosynthesis » Pigments Involved in Photosynthesis
Question
Which of the following wavelength occur in red part of the spectrum?
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | 830 nm |
|
| b. | 470 nm |
|
| c. | 390 nm |
|
| d. | 680 nm |
|
Question number: 176
» Plant Physiology » Photosynthesis » Photorespiration C3 and C4 Pathways
Question
In Hatch and Slack pathway
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | Have in Kranz anatomy where mesophyll have small chloroplast whereas bundle sheath have agranal chloroplast. |
|
| b. | Have kranz anatomy where mesophyll and bundle sheath both have small chloroplast. |
|
| c. | Have kranz anatomy where mesophyll cell are diffused. |
|
| d. | Have chloroplast of same type. |
|
Question number: 177
» Plant Physiology » Transport in Plants » Absorption
Question
Solutes are absorbed by a plant cell through
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | diffusion |
|
| b. | osmosis |
|
| c. | active absorption |
|
| d. | passive absorption |
|
Question number: 178
» Plant Physiology » Photosynthesis » Pigments Involved in Photosynthesis
Question
The first experiment on photosynthesis in flashing light were carried out by
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | Robert Hill |
|
| b. | Robert Mayer |
|
| c. | F. F. Blackman |
|
| d. | Melvin Calvin |
|