CLASS VII — BIOLOGY — ANNUAL EXAMINATION PRACTICE PAPER (2026–2027)

Maximum Marks: 80 | Time Allowed: Two hours

Instructions to Candidates

Answers to this paper must be written on the paper provided separately.
You will not be allowed to write during the 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 three questions from Section B.
The intended marks for questions or parts of questions are given in brackets [ ].

Syllabus: Full book — Reproduction in Plants, Reproduction in Animals, Endocrine System in Humans, Adolescence and Accompanying Changes, Circulatory System, Ecosystem, Nervous System in Humans, Disease and First Aid, Food Production, Transport of Food and Minerals in Plants.

SECTION A

(Attempt all questions from this Section.)

Question 1

Choose the correct options for the following: [15]

(i) Bryophyllum reproduces vegetatively with the help of:
(a) stem cuttings
(b) buds on the leaf margin
(c) roots
(d) bulbs

(ii) Budding is a method of asexual reproduction seen in:
(a) Hydra
(b) Amoeba
(c) Paramecium
(d) Earthworm

(iii) The fusion of a male gamete with a female gamete is called:
(a) pollination
(b) budding
(c) fertilisation
(d) germination

(iv) Which of the following is a rabi crop?
(a) rice
(b) wheat
(c) maize
(d) cotton

(v) The hormone secreted by the pancreas that lowers the blood sugar level is:
(a) adrenaline
(b) thyroxine
(c) insulin
(d) growth hormone

(vi) The 'master gland' of the human body is the:
(a) thyroid gland
(b) pituitary gland
(c) adrenal gland
(d) pancreas

(vii) Adrenaline, the emergency hormone, is secreted by the:
(a) pituitary gland
(b) thyroid gland
(c) adrenal glands
(d) pancreas

(viii) Adolescence generally covers the age group of:
(a) 1–5 years
(b) 5–10 years
(c) 10–19 years
(d) 20–30 years

(ix) The universal blood donor belongs to the blood group:
(a) A
(b) B
(c) AB
(d) O

(x) The normal pulse rate of a healthy adult at rest is about:
(a) 20–30 per minute
(b) 60–80 per minute
(c) 100–120 per minute
(d) 150–180 per minute

(xi) Which of the following is a producer in an ecosystem?
(a) grass
(b) deer
(c) lion
(d) frog

(xii) Which of the following are decomposers?
(a) grass and trees
(b) bacteria and fungi
(c) lions and tigers
(d) deer and rabbits

(xiii) The structural and functional unit of the nervous system is the:
(a) neuron
(b) nephron
(c) alveolus
(d) villus

(xiv) The disease malaria is spread by the:
(a) housefly
(b) Aedes mosquito
(c) female Anopheles mosquito
(d) cockroach

(xv) Water and minerals are transported upwards in a plant through the:
(a) xylem
(b) phloem
(c) cambium
(d) epidermis

Answer the following questions: [10]

(xvi) Name the part of a flower that develops into a seed after fertilisation.

(xvii) Name the type of fertilisation that takes place inside the body of the female in humans.

(xviii) Name the hormone secreted by the thyroid gland.

(xix) Name the condition in which the neck swells due to a lack of iodine in the diet.

(xx) Name the largest artery of the human body.

(xxi) Write one example of a food chain having three organisms.

(xxii) Name the part of the brain that controls balance and posture of the body.

(xxiii) Name one antiseptic that is used to clean a wound.

(xxiv) Name the process by which plants lose water vapour through the stomata of leaves.

(xxv) Name one organic manure.

Question 2

(i) Name the following: [5]
(a) The transfer of pollen grains from the anther to the stigma.
(b) Animals that give birth to young ones.
(c) The chemical messengers secreted by the endocrine glands.
(d) The stage of life when a child gradually changes into an adult.
(e) The tissue that carries food from the leaves to other parts of a plant.

(ii) Match the items given in Column I with the most appropriate ones in Column II and rewrite the correct matching pairs. [5]

[5 options from Column I will match with only 5 options from Column II; rewrite the matched pairs only.]

COLUMN I	COLUMN II
(a) Insulin	(a) Transports food from leaves to other parts
(b) Neuron	(b) Carries nerve impulses
(c) Vaccination	(c) Regulates blood sugar level
(d) Phloem	(d) Develops immunity against a disease
(e) Hydra	(e) Reproduces by budding

(iii) State whether the following statements are True or False. [5]
(a) Pollen grains are produced in the ovary.
(b) Metamorphosis is seen in the life cycle of a frog.
(c) The pituitary gland controls the working of other endocrine glands.
(d) Arteries carry blood towards the heart.
(e) Producers can prepare their own food.

(iv) Fill in the blanks with suitable words: [5]
(a) The fusion of a sperm and an egg forms a ______.
(b) The red pigment present in red blood cells is ______.
(c) A food web is made up of many interconnected ______.
(d) Manures and fertilisers are added to the soil to increase its ______.
(e) A reflex action is a sudden response to a stimulus. It is controlled by the spinal cord and does not wait for instructions from the brain. Since we do not decide to carry it out, a reflex action is an ______ action.

(v) Arrange and rewrite the terms in each group in the correct order so as to be in a logical sequence beginning with the term that is underlined. [5]

[Example: Seed, flower, seedling, fruit; Answer: Seed, seedling, flower, fruit]

(a) Pollination, germination, fertilisation, seed formation
(b) Grass, snake, grasshopper, eagle, frog
(c) Receptor, spinal cord, effector, sensory neuron, motor neuron
(d) Heart, veins, arteries, capillaries
(e) Egg, adult frog, tadpole, froglet

SECTION B

(Attempt any three questions from this Section.)

Question 3

(i) Name the type of reproduction in which a single parent produces offspring. [1]
(ii) Name any two methods of vegetative propagation. [2]
(iii) State two differences between pollination and fertilisation. [2]
(iv) Differentiate between oviparous and viviparous animals, giving one example of each. [2]
(v) Describe how Amoeba reproduces by binary fission. [3]

Question 4

(i) Name the gland that works both as an endocrine gland and an exocrine gland. [1]
(ii) State the function of (a) thyroxine and (b) insulin. [2]
(iii) Name any two secondary sexual characters that appear in girls during puberty. [2]
(iv) What is menstruation? [2]
(v) State any three ways in which a balanced diet and good hygiene help an adolescent. [3]

Question 5

(i) Name the chamber of the heart that receives oxygenated blood from the lungs. [1]
(ii) State two differences between arteries and veins. [2]
(iii) What is a reflex action? Give one example. [2]
(iv) Name any two parts of the human brain and state one function of each. [2]
(v) Differentiate between a food chain and a food web. Write one example of a food chain with four organisms. [3]

Question 6

(i) Name the disease that is spread by the Aedes mosquito. [1]
(ii) What is a communicable disease? Give one example. [2]
(iii) Write two first-aid steps for treating a minor burn. [2]
(iv) State two differences between manure and fertiliser. [2]
(v) Differentiate between xylem and phloem on any three points. [3]