NSO Level 1- Science Olympiad (SOF) Class 10: Questions 691 - 695 of 1497
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Question 691
Question MCQ▾
Which is not correct for covalent compounds?
Choices
Choice (4) | Response | |
---|---|---|
a. | These compounds are molecular in nature | |
b. | These compounds are poor conductor of electricity | |
c. | These are insoluble in water and soluble in benzene, kerosene and petrol etc. | |
d. | None of the above |
Question 692
Question Matching-Pair▾
Find matching pair:
Choices
Choice (4) | Response | |
---|---|---|
a. | Shoe flower — Hibiscus rosasinensis | |
b. | Brinjal — Ricinus communis | |
c. | Tomato — Lxcopersican esculentumz | |
d. | Both a. and c. are correct |
Question 693
Question MCQ▾
Obtaining new plants from the parts (such as stems, roots and leaves) of an old plant, without any type of involvement of sex organs is called
Choices
Choice (4) | Response | |
---|---|---|
a. | Fertilization | |
b. | Vegetative reproduction | |
c. | Puberty | |
d. | Pollination |
Question 694
Question MCQ▾
An ovule consists of a megasporangium surrounded by one or two layers of tissue called
Choices
Choice (4) | Response | |
---|---|---|
a. | Megasporangium | |
b. | Integuments | |
c. | Ovule | |
d. | None of the above |
Question 695
Question MCQ▾
Read the given statements and mark the correct option
Statement 1: Electrical power is the total work done in maintaining an electrical current in an electric circuit for given time
Statement 2: Electrical energy is the rate at which electrical energy is consumed by an appliance
Choices
Choice (4) | Response | |
---|---|---|
a. | Statements 1 and 2 are incorrect | |
b. | Statements 1 and 2 are correct | |
c. | Only statement 2 is correct | |
d. | Only statement 1 is correct |