Diversity in Living Organisms [CBSE (Central Board of Secondary Education) Class-9 Science]: Questions 1 - 5 of 42
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Question 1
Question MCQ▾
Fungi are:
Choices
Choice (4) | Response | |
---|---|---|
a. | Non-green heterotrophic | |
b. | Parasitic or saprotrophic | |
c. | Web of fine delicate threads called hyphae | |
d. | All a., b. and c. are correct |
Question 2
Question MCQ▾
Areas which are rich in biodiversity are called as:
Choices
Choice (4) | Response | |
---|---|---|
a. | Category | |
b. | Mega diversity centres | |
c. | Phylum | |
d. | None of the above |
Question 3
Question MCQ▾
The characteristics of spiny skimmed animals are:
Choices
Choice (4) | Response | |
---|---|---|
a. | Ambulacral system, calcium carbonate structures that they use as a skelton | |
b. | Marine, sedentary, triploblastic and radially symmetrical, tube feet for locomotion | |
c. | Both a. and b. are correct | |
d. | None of the above |
Question 4
Question MCQ▾
Bacteria are:
Choices
Choice (4) | Response | |
---|---|---|
a. | Bacteria reproduce asexually and lack nucleus membrane and chlorophyll | |
b. | Bacteria are parasitic and cause disease in humans, animals and plants | |
c. | Unicellular microscopic organisms | |
d. | All a., b. and c. are correct |
Question 5
Question MCQ▾
Biodiversity is defined as:
Choices
Choice (4) | Response | |
---|---|---|
a. | Occurrence of different forms of life on earth | |
b. | Variety of life forms found in a particular region | |
c. | A rank or level in classification | |
d. | Both a. and b. are correct |