Class 10 ICSE Biology Sample Paper 4

Maximum Marks: 80

Time allowed: Two and half hours

Answers to this Paper must be written on the paper provided separately.

You will not be allowed to write during first 15 minutes.

This time is to be spent in reading the question paper.

The time given at the head of this Paper is the time allowed for writing the answers.

Section A is compulsory.

Attempt any four questions from Section B.

The intended marks for questions or parts of questions are given in brackets [ ].

Section-A

(Attempt all questions from this Section.)

Question 1

Choose one correct answer to the questions from the given options:

(i) Which of the following is non-biodegradable?
(a) styrofoam (b) paper (c) vegetable peels (d) bark of trees

(ii) The deficiency of vasopressin causes
(a) acromegaly (b) virilism (c) diabetes insipidus (d) diabetes mellitus

(iii) Which plant hormone stimulates the closure of stomata
(a) GA (b) abscisic acid (c) cytokinin (d) auxins

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Class 10 ICSE Biology Sample Paper 4

Section-A

(Attempt all questions from this Section.)

Question 1

Choose one correct answer to the questions from the given options:

(i) Which of the following is non-biodegradable?
(a) styrofoam (b) paper (c) vegetable peels (d) bark of trees

(ii) The deficiency of vasopressin causes
(a) acromegaly (b) virilism (c) diabetes insipidus (d) diabetes mellitus

(iii) Which plant hormone stimulates the closure of stomata
(a) GA (b) abscisic acid (c) cytokinin (d) auxins

(iv) Neha entered a dark cinema hall. She experienced difficulty in seeing objects for a short while, but slowly her vision improved. This happened due to:
A. Light adaptation
B. Dark adaptation
C. colour adaptation
(a) Only A (b) Only A and B (c) Only A and C (d) Only B

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Class 10 ICSE Biology Sample Paper 4

Section-A

(Attempt all questions from this Section.)

Question 1

Choose one correct answer to the questions from the given options:

(i) Which of the following is non-biodegradable? (a) styrofoam (b) paper (c) vegetable peels (d) bark of trees

(ii) The deficiency of vasopressin causes (a) acromegaly (b) virilism (c) diabetes insipidus (d) diabetes mellitus

(iii) Which plant hormone stimulates the closure of stomata (a) GA (b) abscisic acid (c) cytokinin (d) auxins

(iv) Neha entered a dark cinema hall. She experienced difficulty in seeing objects for a short while, but slowly her vision improved. This happened due to: A. Light adaptation B. Dark adaptation C. colour adaptation (a) Only A (b) Only A and B (c) Only A and C (d) Only B

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(i) Which of the following is non-biodegradable?
(a) styrofoam (b) paper (c) vegetable peels (d) bark of trees

(ii) The deficiency of vasopressin causes
(a) acromegaly (b) virilism (c) diabetes insipidus (d) diabetes mellitus

(iii) Which plant hormone stimulates the closure of stomata
(a) GA (b) abscisic acid (c) cytokinin (d) auxins

(iv) Neha entered a dark cinema hall. She experienced difficulty in seeing objects for a short while, but slowly her vision improved. This happened due to:
A. Light adaptation
B. Dark adaptation
C. colour adaptation
(a) Only A (b) Only A and B (c) Only A and C (d) Only B