CLASS VI — 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 — The Leaf, The Flower, Cell – the basic unit of life, Digestive System in Humans, Respiratory System in Humans, Circulatory System in Humans, Health and Hygiene, Adaptation.

SECTION A

(Attempt all questions from this Section.)

Question 1

Choose the correct options for the following: [15]

(i) The green pigment present in the leaves is:
(a) carotene
(b) chlorophyll
(c) xanthophyll
(d) haemoglobin

(ii) The tiny pores on the surface of a leaf, through which gases enter and leave, are called:
(a) veins
(b) lamina
(c) stomata
(d) petioles

(iii) The part of a flower that develops into a fruit is the:
(a) stamen
(b) petal
(c) sepal
(d) ovary

(iv) The male reproductive part of a flower is the:
(a) pistil
(b) stamen
(c) calyx
(d) corolla

(v) The control centre of a cell is the:
(a) cell wall
(b) vacuole
(c) nucleus
(d) cell membrane

(vi) Which of the following is present in a plant cell but NOT in an animal cell?
(a) nucleus
(b) cell wall
(c) cytoplasm
(d) cell membrane

(vii) The digestion of starch begins in the:
(a) stomach
(b) mouth
(c) small intestine
(d) large intestine

(viii) Bile is produced by the:
(a) liver
(b) pancreas
(c) stomach
(d) small intestine

(ix) Most of the digested food is absorbed into the blood in the:
(a) stomach
(b) oesophagus
(c) small intestine
(d) large intestine

(x) The correct path of air during breathing in is: nose → pharynx → larynx → ______ → bronchi → lungs.
(a) oesophagus
(b) trachea
(c) alveoli
(d) diaphragm

(xi) The dome-shaped muscle below the lungs that helps in breathing is the:
(a) biceps
(b) rib
(c) heart
(d) diaphragm

(xii) The blood vessels that carry blood away from the heart are called:
(a) veins
(b) arteries
(c) capillaries
(d) lymph vessels

(xiii) The blood cells that help in the clotting of blood are:
(a) red blood cells
(b) white blood cells
(c) platelets
(d) plasma cells

(xiv) The hump of a camel stores:
(a) water
(b) fat
(c) milk
(d) sand

(xv) A fish breathes with the help of:
(a) lungs
(b) skin
(c) gills
(d) tracheae

Answer the following questions: [10]

(xvi) Name the process by which plants lose water vapour through their leaves.

(xvii) Name the stalk that joins the leaf to the stem.

(xviii) Name the outermost whorl of a flower.

(xix) Who first observed cells in a thin slice of cork?

(xx) Name the enzyme present in saliva that digests starch.

(xxi) Name the gas that we breathe out in a greater amount than we breathe in.

(xxii) How many chambers does the human heart have?

(xxiii) What is the term used for the special features that help an organism to live in its surroundings?

(xxiv) Name one disease that spreads through contaminated drinking water.

(xxv) Name the pigment in red blood cells that carries oxygen.

Question 2

(i) Name the following: [5]
(a) The flat, broad green part of a leaf.
(b) The part of a stamen that produces pollen grains.
(c) The cell organelle that contains chlorophyll.
(d) The long tube that connects the mouth to the stomach.
(e) The pale yellow liquid part of blood.

(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) Stomata	(a) Spines that reduce loss of water
(b) Red blood cells	(b) Carry oxygen
(c) Cactus	(c) Increase the surface area for absorption of food
(d) Villi	(d) Breathing organs of a fish
(e) Gills	(e) Exchange of gases in a leaf

(iii) State whether the following statements are True or False. [5]
(a) The veins of a leaf carry water and food.
(b) Plant cells do not have a cell wall.
(c) Digestion of food is completed in the large intestine.
(d) Oxygen enters the blood in the lungs.
(e) Washing hands with soap before eating helps to prevent diseases.

(iv) Fill in the blanks with suitable words: [5]
(a) Leaves prepare food in the presence of sunlight and ______.
(b) The basic unit of life is the ______.
(c) The largest gland in the human body is the ______.
(d) The blood vessels that carry blood towards the heart are called ______.
(e) Organisms are suited to the place where they live. A camel can survive in the desert because its hump stores ______, which gives it energy when food and water are scarce.

(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) Mouth, stomach, oesophagus, small intestine
(b) Nose, trachea, lungs, pharynx
(c) Calyx, stamen, corolla, pistil
(d) Heart, veins, arteries, capillaries
(e) Cell, organ system, organ, tissue

SECTION B

(Attempt any three questions from this Section.)

Question 3

(i) Name the green pigment present in leaves. [1]
(ii) State the function of stomata. [2]
(iii) Write the word equation of photosynthesis. [2]
(iv) Name the two types of venation in leaves and give one example of each. [2]
(v) State any three functions of a leaf. [3]

Question 4

(i) Name the female reproductive part of a flower. [1]
(ii) Name the three parts of a pistil. [2]
(iii) What is pollination? [2]
(iv) State two differences between a plant cell and an animal cell. [2]
(v) State the functions of: (a) nucleus (b) cell membrane (c) vacuole. [3]

Question 5

(i) Name the process of taking food into the body. [1]
(ii) Name any two digestive glands of the human body. [2]
(iii) What is the role of bile in digestion? [2]
(iv) Write the path taken by air from the nose to the lungs. [2]
(v) Explain what happens to the diaphragm and ribs during breathing in (inhalation). [3]

Question 6

(i) Name the fluid that carries oxygen and digested food to all parts of the body. [1]
(ii) Name any two components of blood. [2]
(iii) State one function each of (a) white blood cells and (b) platelets. [2]
(iv) What is adaptation? Give one example of a plant adapted to a desert. [2]
(v) List any three good habits that help to keep our body clean and healthy. [3]