Biology [NSTSE (National Science Talent Search Exam- Unified Council) Class 9]: Questions 154 - 158 of 518
Choose Programs:
🎯 1998 MCQs (& PYQs) with Full Explanations (2024-2025 Exam)
Rs. 550.00 -OR-
3 Year Validity (Multiple Devices)
CoverageDetailsSample Explanation
Help me Choose & Register (Watch Video) Already Subscribed?
Question 154
Question MCQ▾
What is presynaptic bulb and postsynaptic bulb?
Choices
Choice (4) | Response | |
---|---|---|
a. | Axon terminal of one neuron and dendrite of other adjacent neuron connected or separated by synapse | |
b. | Dendrite terminal of one neuron and Axon of other adjacent neuron connected or separated by synapse | |
c. | Axon terminal of one neuron and Axon of other adjacent neuron connected or separated by synapse | |
d. | Dendrite terminal of one neuron and dendrite of other adjacent neuron connected or separated by synapse |
Question 158
Question MCQ▾
Difference between heartwood and sapwood is
Choices
Choice (4) | Response | |
---|---|---|
a. | Sapwood is involved in ascent of sap but heartwood is dead non functional | |
b. | Sapwoods are gymnosperms whereas heartwoods are angiosperms. | |
c. | Sapwood contains living cells whereas heartwood does not. | |
d. | All a., b. and c. are correct |