Biology Question Paper For Class 10 :-
Biology Question Paper For Class 10 is given below :-
1. Name the following:
(i) The respiratory pigment found in erythrocytes.
(ii) The organ that produces urea.
(iii) The part of the chloroplast where the light reaction of photosynthesis takes place.
(iv)The Vehicular Standard for controlling air pollution.
(v) The part of the ovary that produces progesterone. 
2.State whether the following statements are true or false. If false, rewrite the correct form of the statement by changing the first word only:
(i) Cones are photoreceptor cells that are sensitive to dim light.
(ii) The Beta cells of the pancreas secrete insulin.
(iii) Tubectomy is the surgical method of sterilization in man.
(iv) Guttation is the loss of water in the form of water droplets from hydathodes.
(v) Nephrons are the basic unit of the brain. 
3. Give technical terms for the following:
(i) Plasma devoid of fibrinogen.
(ii) Movement of water molecules across the cell membrane from hypertonic to hypotonic solution.
(iii) The stage where chromosomes lie on the equator of the achromatic spindle.
(iv) Alternative form of a gene on a pair of homologous chromosome.
(v) Period of complete intrauterine development of the foetus.
4.Choose the correct alternative from the choices given below each statement so as to complete its meaning:
(i) The number of daughter cells formed at the end of meiosis from a cell are.
(a) 2 Haploid cells
(b) 2 Diploid cells
(c) 4 Haploid cells
(d) 4 Diploid cells.
5.Which of the following is not a part of the female reproductive system in human beings?
(d) Fallopian tube.
6. Ovulation occurs:
(a) at the beginning of menstrual cycle
(b) in the mid of the menstrual cycle
(c) at the end of the menstrual cycle
(d) during any time of the menstrual cycle.
7. Phototrophic mode of nutrition requires:
(c) CO2 and water
(d) All the above.
8. Plasmolysis identifies the process of:
(c) Active transport
9. The diagram given below represents a stage during mitotic cell division in an animal cell:-
(i) Identify the stage. Give a reason to support your answer.
(ii) Name the parts labelled 1, 2 and 3.
(iii) What is the chromosome number of the cell?
(iv) Draw a neat, labelled diagram of the cell as it would appear in the next stage. Name the stage.
10. Give reasons for the following:-
(i) Plants begin to die when excess of soluble fertilizers are added to
(ii) Injury to the medulla oblongata results in death.
(iii) Gametes have a haploid number of chromosomes.
(iv) Green leaves are thin and broad.
(v) There is a need to check the present rate of urbanisation
11.Draw a neat labelled diagram of the membranous labyrinth found in
the inner ear. Name the part of the structure that is responsible for
static balance in human beings.
12. Explain the term Plasmolysis. Give one application of this
phenomenon in our daily lives.
13. Enumerate the steps involved in testing a green leaf for the presence of starch.
14.Mention any three causes of soil pollution.
15. Mention three reasons for the increase in population in India
16. Write the full forms of NADP and BCG.
17. Explain the term antibiotic. Give an example of an antibiotic.
18. State any three functions of the World Health Organization.
19. (a) Study the diagram given below and then answer the questions that follow:
(i) Name the parts labelled 1 and 2. State the functions of each part.
(ii) State any two functions of the amniotic fluid.
(iii) What is the role of the umbilical cord in the development of the
(iv) Name the part in the diagram which is endocrine in nature.
20. Given below are five sets of terms. In each case, arrange and rewrite each set
so as to be in logical sequence.
(i) Tympanum, stapes, malleus, incus, fenestra ovalis
(ii) Graafian follicle, uterus, oviducal funnel, fallopian tube, ovum
(iii) Soil, water, root hair, xylem, cortex, endodermis
(iv) Association neuron, effector, motor neuron, receptor, sensory neuron.
(v) Lens, pupil, conjunctiva, yellow spot, cornea.