NEET (2024 Updated)-National Eligibility cum Entrance Test (Medical) Biology: Questions 640 - 643 of 4199
Choose Programs:
📹 Video Course 2024 (94 Lectures [58 hrs : 33 mins]): Offline Support
Rs. 310.00 -OR-
1 Month Validity (Multiple Devices)
Preview All LecturesDetails
⏳ 🎯 Online Tests (2 Tests [90 questions each]): NTA Pattern, Analytics & Explanations
Rs. 360.00 -OR-
3 Year Validity (Multiple Devices)
Sample TestsDetailsSee Demo
🎓 Study Material (706 Notes): 2024-2025 Syllabus
Rs. 650.00 -OR-
3 Year Validity (Multiple Devices)
Topic-wise Notes & SampleDetails
🎯 4199 MCQs (& PYQs) with Full Explanations (2024-2025 Exam)
Rs. 700.00 -OR-
3 Year Validity (Multiple Devices)
CoverageDetailsSample Explanation
Help me Choose & Register (Watch Video) Already Subscribed?
Question 640
Question MCQ▾
Self pollination means
Choices
Choice (4) | Response | |
---|---|---|
a. | Transference of pollens from one flower to another on the same plant. | |
b. | Germination of pollens within the anther. | |
c. | Transference of pollens from anther to be stigma within the same flower. | |
d. | Occurrence of male and female sex organs in the same flowers. |
Question 641
Question MCQ▾
Unidirectional transmission of a nerve impulse through nerve fibre is due to the fact that
Choices
Choice (4) | Response | |
---|---|---|
a. | Neurotransmitters are released by dendrites and not by axon endings. | |
b. | Nerve fibre is insulated by a medullary sheath. | |
c. | Sodium pump starts operating only at the cyton and then continues into the nerve fibre. | |
d. | Neurotransmitters are released by the axon ending and not by dendrites. |
Question 642
Question MCQ▾
A specialized multicellular structure in leaves which excretes water droplets is called as
Choices
Choice (4) | Response | |
---|---|---|
a. | Lenticels | |
b. | Wounds | |
c. | Hydathodes | |
d. | Stomata |
Question 643
Question MCQ▾
Binomial nomenclature means
Choices
Choice (4) | Response | |
---|---|---|
a. | Two names of same plant. | |
b. | One name given by two scientists. | |
c. | One scientific name consisting of a generic and specific epither. | |
d. | Two names, one latinised, other of a person. |