VIVEKANANDA MISSION SCHOOL
SPECIMEN QUESTION PAPER, SESSION 2024-2025
CLASS – VIII
BIOLOGY
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Time: 2 Hrs. Full Marks: 80
Answers to this Paper must be written on the answer sheet 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.
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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 the correct answers to the questions from the given options.
(Do not copy the question. Write the correct answer only.) [15]
(i)
In the food web given above, the frog is eaten by:
(a) Fox and snake
(b) Owl and hawk
(c) Fox and hawk
(d) Owl and snake
(ii) Which of the following increases the rate of transpiration?
(a) High temperature
(b) Slow breeze
(c) Night time
(d) High humidity
(iii) The pressure created which pushes water from root cells to xylem
(a) Wall pressure
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(b) Root pressure
(c) Diffusion pressure
(d) Capillary force
(iv) Assertion (A): Seeds are produced in plants as a result of sexual reproduction.
Reason (R): Seeds are not produced in potato and ginger.
(a) If both A and R are true and R is the correct explanation of A
(b) If both A and R are true, but R is not the correct explanation of A
(c) If A is true, but R is false
(d) If A and R both are false
(v) Which of these valves will open during the passage of blood from right atrium to right ventricle?
(a) Bicuspid valve
(b) Tricuspid valve
(c) Semilunar valve
(d) Cuspid valves
(vi) Which vessels carry CO2 rich blood from all parts of body back to the heart?
(a) Arteries
(b) Veins
(c) Capillaries
(d) Arterioles
(vii) Assertion (A): Xylem Tracheids are dead with thickened wall, even then they allow movement
of water cell to cell.
Reason (R): Xylem Tracheids possess pores and cell to cell movement occurs through them.
(a) Both A and R are true and R is the correct explanation of A
(b) Both A and R are true and R is not the correct explanation of A
(c) A is True but R is False
(d) Both A and R are false
(viii) Of the different blood groups, which one can be given to a person whose blood group is A?
(a) Group A only
(b) Group B only
(c) Group A and O
(d) Group A and B
(ix) Assertion (A): All food chains begin with herbivores.
Reason (R): Green plants are heterotrophs.
(a) A is True and R is False
(b) A is False and R is True
(c) Both A and R are True
(d) Both A and R are False
(x) Megha and her family had gone to Uttarakhand during her summer holidays. They went to visit
Jim Corbett National Park. Megha saw many varieties of trees and animals but among them she
noticed one particular animal is most significant. Which animal is it?
(a) Lion
(b) Rhinoceros
(c) Tiger
(d) Bears
(xi) Reproductive whorls of a flower are:
(a) Petals and calyx
(b) Sepals and corolla
(c) Sepals and petals
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(d) Stamens and carpels
(xii) Assertion (A): Circulatory system consists of the heart, the lungs and blood vessels.
Reason (R): Blood is a fluid which flows in blood vessels.
(a) If both A and R are true and R is the correct explanation of A
(b) If both A and R are true, but R is not the correct explanation of A
(c) If A is true, but R is false
(d) If A and R both are false
(xiii) A biology teacher asked her students to name an aquatic plant pollinated by insects.
Ankit said: Lotus
Mina said: Vallisneria
Rahul said: China rose
Kiara said: Marigold
Who was correct?
(a) Ankit
(b) Kiara
(c) Rahul
(d) Mina
(xiv) Earthworm is an example of:
(a) Carnivore
(b) Parasite
(c) Decomposer
(d) Detritivore
(xv) The movement of materials from the leaves to other tissues of the plant is called _________
(a) Ascent of sap
(b) Active transport
(c) Transpiration
(d) Translocation
Question 2
i. Name the following: [5]
(a) The microorganisms which break down complex organic compounds into simple inorganic
substances.
(b) Tiny openings present on the surface of a leaf
(c) The movement of molecules of gas, liquid or solid from higher concentration to lower
concentration.
(d) Blood group which is a universal recipient.
(e) Type of reproduction involving fusion of gametes.
ii. The diagram given below depicts a food chain. Study the diagram carefully and fill in the blanks:
[5]
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The green plant, i.e., maize is the (a)______________. Locust which is eating the maize plant is the
(b)_____________ consumer. A lizard eating the locust is the (c)_____________ consumer and the
snake at the end is the (d)_____________ consumer. The number of steps in different food chain can
never be (e)__________.
iii. 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]
(a) Leaves, xylem vessel, root hair, epidermis.
(b) Pulmonary artery, Pulmonary vein, Left auricle, Lungs.
(c) Pollination, Penetration of the ovule, Germination of pollen tube, Double fertilization.
(d) Snake, insect, grass, frog.
(e) Pistil, sepal, stamen, petal.
iv. State the exact location of the following structures: [5]
(a) Pollen grains
(b) Stigma
(c) Cell sap
(d) Bicuspid valve
(e) Sino- atrial node
v. Given below is a cross section of Phloem. Match the structures labelled with their correct
related statements: [5]
Cross section of Phloem Related statements
1. Provides mechanical
strength
(a) 2. Perforated end walls through
(c) which food materials passes
from cell to cell
(b) 3. Cylindrical cells that are
(d)
devoid of nucleus
4. Helps to store food
(e)
5. Thin walled, nucleated,
elongated cells, attached to
sieve tubes
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SECTION B
(Attempt any four questions from this Section)
Question 3
(i) Explain the term ‘’Active transport. ‘’ [1]
(ii) Name the tissues through which ascent of sap as well as translocation of food take place in plant.
[2]
(iii) Mention two conditions which will enhance the rate of transpiration. [2]
(iv) Mention the deficiency symptoms in plants for the following nutrients: [2]
a. Nitrogen
b. Zinc
(v) You are asked by your teacher to demonstrate an experiment on transpiration. So, you have taken
a well-watered potted plant having few branches. You have covered the aerial parts of the plant with a
polythene bag as shown in the diagram: [3]
(a) What will you observe after four hours?
(b) If you remove all the leaves, then will there be any difference in your observation?
(c) Define the process demonstrated by you.
Question 4
(i) Why is the SA node called ‘’ natural pacemaker of the heart’’? [1]
(ii) Write two differences between arteries and veins with respect to the nature of blood carried and
the direction of the blood flow. [2]
(iii) Mention the importance of the following blood vessels: [2]
(a) Coronary artery
(b) Pulmonary veins
(iv) Which one is more advantageous, food chain or food web? Justify your answer. [2]
(v) Draw a neat labelled diagram of a yeast cell. [3]
Question 5
(i) Mention one way in which the root hairs are well suited for absorbing water from the soil. [1]
(ii) What are the living components of ecosystem called? Give one example of the same. [2]
(iii) State the difference between symbiosis and parasitism. [2]
(iv) Write two functions of lymph. [2]
(v) Study the picture given below and answer the questions: [3]
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(a) Name the blood vessels marked as ‘A’ and ‘B’.
(b) Identify the blood vessel which is mainly responsible for exchange of oxygen and carbon
dioxide.
(c)Mention the position of ‘A’ and ‘B’ in our body.
Question 6
(i) What do you mean by the term “fragmentation” in plants? [1]
(ii) Mention the role played by the spores in ferns. Where are these spores located? [2]
(iii) Why do the farmers prefer to grow certain crops by vegetative method? [2]
(iv) Given below are two statements which are incorrect. Rewrite the correct statements. [2]
(a) Wind pollinated flowers are scented.
(b) Parasites catch and kill animals for food.
(v) Draw a neat labelled diagram of the vertical section of an onion bulb. [3]
Question 7
(i) Why is the cell membrane considered to be semi permeable? [1]
(ii) Mention the role played by iron and potassium in plants. [2]
(iii) Explain the special way of reproduction in Bryophyllum. [2]
(iv) What are the two characteristics by which you can identify the insect pollinated
flowers? [2]
(v) Dr Gill and his colleagues started an initiative to organise blood donation camps to help the
people in crisis situations. It was understood that a particular blood group was in high demand
as it was matching with all groups. [3]
(a) What do you think can be the blood group which was on high demand?
(b) Name the blood group which is considered as universal recipient and justify the reason.
(c) Anil is having blood group B. To which groups can he donate his blood?
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