Paper: Biology
Roll No: ________ Subjective
Type Name:
__________
Section-1
1. Attempt any Eight Parts
8×2= 16
1. Differentiate between xerophytes and mesophytes plants.
2. What are poikilotherms? Give one example.
3. Differentiate between osmoconformers and osmoregulatory.
4. Discuss the role of two hormones produced by the gut.
5. Sketch metabolic pathway of the urea cycle.
6. Define and explain the process of ecdysis.
7. Differentiate between passive flight and active flight.
8. What is the difference between tetanus and muscular tetany?
9. What is a counter-current multiplier?
10. What is Parkinson‘s disease.
11. Differentiate between photo nasty and thermonasty.
12. Give classification of the vertebral column.
2.
Attempt any Eight Parts 8×2= 16
1. How estrous cycle is different from the menstrual cycle?
2. Write functions of photoreceptors and nociceptors.
3. What is the difference between Oogenesis and spermatogenesis in humans?
4. Differentiate between identical twins and fraternal twins.
5. What are test-tube babies?
6. What is the structure and function of the corpus luteum?
7. How Turner’s syndrome is caused and gives its features?
8. What is mitotic apparatus? Give its function.
9. Differentiate between apoptosis and necrosis.
10. What are the important signs of old age in human beings?
11. What are vestigial organs? Give examples.
12. Give the concept of Neo-Darwinism.
3.
Attempt any Six Parts 6×2= 16
1. Differentiate between homologous and analogous organs.
2. What is alkaptonuria and its cause?
3. Differentiate between autecology and synecology.
4. Differentiate between primary and secondary succession.
5. Give the layering characteristics of grassland.
6. What is eutrophication?
7. Give the effects of ozone depletion on life.
8. What is the role of molecular carrier the vector?
9. Describe briefly renewable and non-renewable resources.
Section-II
Note:
Attempt any Three Questions. 8×3=24
4. (A) Describe
excretion in plants. (4)
(B)Explain the nitrogen cycle. (4)
5.
(A) what are joints? Describe their types.(4)
(B) Describe the process of replication
in DNA. (4)
6.
(A) Define and explain‘ ‘nerve impulse’’.(4)
(B)Write a note on wildlife and fossils
fuels. (4)
7.
(A) Explain the role of
phytochromes in photoperiodism. (4)
(B) Discuss the genetics of ABO blood group system. (4)
8. (A) Explain briefly the role of the nucleus in
development. (4)
(B) Describe the hardy-Weinberg theorem. (4)
- Chapter 7 Kingdom Protista Biology Ist Year Test Full Chapter
- Living Things and Non-Living Things