Objective Part
Q1. MCQs, choose the correct option of following (12)
1.
Exchange of gases occurs through lenticels in:
(a) Woody
stems
(b) Mature
roots
(c) Woody
stems and mature roots
(d) Young
stems
2. The
blood glucose level remains about _______ per liter despite eating a meal rich
in carbohydrates:
(a) 2gm (b) 1gm
(c) 3gm (d) 4gm
3. This is not a part of the hindbrain:
(a) Pons (b) Medulla oblongata
(c) Cerebrum (d) Cerebellum
4. Which hormone is secreted in case of an emergency situation:
(a) Oxytocin (b) Thyroxin
(c) Adrenaline (d) Calcitonin
5. How many bones make our skull?
(a) 14 (b) 22
(c) 24 (d)
26
6. After ripening, the ovary changes into:
(a) Seed (b) Fruit
(c) Flower (d)
Nectar
7. Asexual reproduction in yeast takes
place by:
(a) Budding (b) Fragmentation
(c) Binary fission (d)
Spore
formation
8. The alternate forms of a gene are called:
(a) Genome (b) Genotype
(c) Alleles (d) None of
these
9. True breeding means:
(a) Homozygous
(b) Heterozygous
(c) Both homozygous and heterozygous
(d) None
10. A symbiotic interaction in which both partners get benefits:
(a) Mutualism (b) Commensalism
(c) Parasitism (d) Predation
11. An enzyme produced by genetically
modified organisms used to break up blood clots is called:
(a) Lipase (b) Amylase
(c) Urokinase (d) Peptidase
12. Aspirin belongs to a group that is:
(a) Obtained from animals
(b) Obtained from plants
(c) Synthetic drugs
(d) Obtained from bacteria
Subjective part:
Short questions. There are three parts to
short questions.
Q2. Attempt
any 5 out of 8 from the following: (10).
1.
How will you differentiate between stomata and lenticels?
2.
What is asthma? Write its symptoms
3.
What are Hydrophytes? Give an examples
4.
What is homeostasis? Give an example
5.
What is the difference between osmoregulation and thermoregulation?
6.
Define coordination. Also, write its two types.
7. What are Meninges?
Write two functions also.
8.
What are the causes of diseases of hypothyroidism and hyperthyroidism? Write
symptoms of each.
Q3. Attempt any 5 out of 8 from the following: (10)
1.
What is a Bone? Write its function
2. Describe briefly osteoporosis
3. What is an embryo? Write its parts.
4. What is the difference between
bulbs and corms?
5. How multiple fission in Amoeba
takes place?
6. What is anti-evolution or the theory
of special creation?
7. Differentiate between genotype
and phenotype.
8. Define the Law of Segregation.
Q4. Attempt any 5 out of 8 from the following: (10)
1. What is meant by ecosystem? Give
two examples of the natural ecosystem.
2. What is meant by denitrification?
3. What is a fermenter and write down
its types.
4. Write down basic steps in genetic
engineering.
5.
What are the applications of fermentation in biotechnology?
6. Define vaccine. Write two names
of commonly used vaccines.
7. Differentiate between analgesic
and antibiotic.
8. Define sedatives and give
examples.
Long
questions. There are 3 questions, attempt any 2 of them. (18)
Q5. (a) How do plants remove extra carbon dioxide, oxygen, and water? (5)
(b) Explain the disorders of the eye. (4)
Q6. (a) Define joints and write down the types of joints. (5)
(b) Write causes of AIDS and
ways of prevention. (4)
Q7. (a) Explain components of an ecosystem. (5)
(b) What are the applications of
fermentation in biotechnology? (4)
