HP Board Class 11 Model Question Paper 2022 Biology Term 2

H.P. BOSE
Sample Paper
Session-2021-22
Second Terminal Exam 2022
Biology
Time:3 Hrs Class : XI M.M.: 50
Section-A
1. DNA synthesis on replication takes place in
a) G1 phase b) S phase
c) G2 phase d) G0 phase
2. The chromosomes are arranged in the equatorial plate in
a) prophase b) metaphase
c) Anaphase d) telophase
3. No. of haploid cells formed after meiosis are
a) Two b) Three
c) Four d) Five
4. The law of limiting factor was given by
a) Calvin b) Kreb
c) Blackman d) Mendel
5. Which plant hormone is also known as stress hormone?
a) Auxin b) Cytokinin’s
c) Ethylene d) Absicic Acid
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6. Fruit ripening is promoted by
a) Nitrogen b) CO2
c) SO2 d) Ethylene
7. In C4 plants Calvin cycle occurs in
a) Mesophyll Cells b) Epidermal Cells
c) Bundle-Sheeth Cells d) None of the above
8. Election transport system is present in
a) Outer mitochondrial membrane
b) Inner mitochondrial membrane
c) Matrix
d) Stroma
9. Lungs are covered by
a) Pleural membrane b) Peritonium
c) Pericardium d) None of the above
10. The entry of food into respiratory passage is prevented by
a) pharynx b) Larynx
c) glottis d) Epiglottis
11. The instrument used to measure volume of air involved in
breathing movement is called
a) Sphygnmanometer b) Stethoscope
c) Anemometer d) Spirometer

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12. Volume of air inspired or expired during a normal respiration is
a) 500 ml b) 1000 ml
c) 1500 ml d) 1800 ml
13. Persons with AB blood group are called
a) Anemic b) Universal donor
c) Universal recepient d) None of the above
14. Flame cells are excretory structures in
a) Platyhelminthes b) Annelids
c) Arthropoda d) Mollusca
15. PH of human urine is
a) 6 b) 8
c) 10 d) 12
16. ADH of vosopressin is produced from gland
a) pituitary b) hypothalamus
c) kidney d) pancreas
17. Human is
a) Ammonotelic b) Ureotelic
c) Uricotelic d) Both a and b.
18. Troponin is a part of
a) Actin b) Myosin
c) Collagen d) None of the above

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19. Chemicals released at the synaptic junction are
a) hormones b) enzymes
c) Neurotransmitters d) None of the above
20. Hormone responsible for sleep awake cycle is
a) Epinephrine b) Gastrin
c) Insulin d) Melatonin
21. Write four physiological effects of Auxins? 2
22. What is Oxidative phosphorylation? 2
23. What is oxgen dissociation curve? 2
24. Draw a well labelled diagram of human nephron? 2
25. What is muscle fatigue. 2
or
Write two differences between red muscle and white muscle
fibres.
26. a
What are cranial meaninges. Name them. 2
27. Match the following:
A B
a) T4 Hypothalamus
b) PTH Thyroid
c) GnRH pituitary
d) LH Para thyroid
or
What are neurotransmitters. Name any one.
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28. Draw a well labelled diagram of citric acid cycle. 3
or
Write three differences between Aerobic respiration and
fermentation.
29. Draw well labelled diagram of metaphase and Anaphase of
mitosis in animal cell. 3
30. Draw a well labelled diagram of non-cyclic
photophosphorylation. 5
or
a) Draw a well labelled diagram of chloroplast. 2
b) C4 plants have a special leaf anatomy name it? 1
c) Differentiate between C3 and C4 plants. 2
31. a) What is double circulation? 3
b) Draw a well labelled diagram of human heart. 2
c) Name the instrument used to measure blood pressure. 1

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