02-12-2022, 11:58 PM
Download Sample question paper and answer key and solutions for CBSE 10th Term II examinations for the subject of Science. Answer keys and video solutions are available below for your reference.
Sample Questions from Term II Science Question Paper
1. Rajesh observed a patch of greenish black powdery mass on a stale piece of
bread.
a. Name the organism responsible for this and its specific mode of asexual
reproduction.
b. Name its vegetative and reproductive parts.
2. a. Trace the path a male gamete takes to fertilise a female gamete after being
released from the penis.
b. State the number of sets of chromosomes present in a zygote.
3. In an asexually reproducing species, if a trait X exists in 5% of a population
and trait Y exists in 70% of the same population, which of the two trait is likely
to have arisen earlier? Give reason.
4. Choose an element from period 3 of modern periodic table that matches the
description given below in each instance. Give reason for your choice.
a. It has a similar structure to diamond.
b. It has same valency as Lithium.
c. It has variable valency and is a member of the Oxygen family (group 16).
5. Gas A, found in the upper layers of the atmosphere, is a deadly poison but is
essential for all living beings. The amount of this gas started declining sharply
in the 1980s.
a. Identify Gas A. How is it formed at higher levels of the atmosphere?
b. Why is it essential for all living beings? State the cause for the depletion
of this gas.
Download complete question paper answer key from the links given below.
CBSE Class X Term 2 SQP Sample Question Paper-Science.pdf (Size: 830.48 KB / Downloads: 811)
CBSE Class X Term 2 Marking Scheme and Answer Key-Science.pdf (Size: 939.67 KB / Downloads: 1,333)
Sample Questions from Term II Science Question Paper
1. Rajesh observed a patch of greenish black powdery mass on a stale piece of
bread.
a. Name the organism responsible for this and its specific mode of asexual
reproduction.
b. Name its vegetative and reproductive parts.
2. a. Trace the path a male gamete takes to fertilise a female gamete after being
released from the penis.
b. State the number of sets of chromosomes present in a zygote.
3. In an asexually reproducing species, if a trait X exists in 5% of a population
and trait Y exists in 70% of the same population, which of the two trait is likely
to have arisen earlier? Give reason.
4. Choose an element from period 3 of modern periodic table that matches the
description given below in each instance. Give reason for your choice.
a. It has a similar structure to diamond.
b. It has same valency as Lithium.
c. It has variable valency and is a member of the Oxygen family (group 16).
5. Gas A, found in the upper layers of the atmosphere, is a deadly poison but is
essential for all living beings. The amount of this gas started declining sharply
in the 1980s.
a. Identify Gas A. How is it formed at higher levels of the atmosphere?
b. Why is it essential for all living beings? State the cause for the depletion
of this gas.
Download complete question paper answer key from the links given below.
CBSE Class X Term 2 SQP Sample Question Paper-Science.pdf (Size: 830.48 KB / Downloads: 811)
CBSE Class X Term 2 Marking Scheme and Answer Key-Science.pdf (Size: 939.67 KB / Downloads: 1,333)