P. Connection between adjacent cells
Q. Membranes connecting the nucleus with plasma lemma
R. Lignified cemented layers between cells
S. Locomotary structures
Which of the following is related to plasmadesmata ?
A ) Only P
B) P and Q
C ) P,Q and S
D) P,Q,R and S
2. Read the following statements
P. Troposphere
Q. Mesosphere
R. Stratosphere
S. Ionosphere
In which zone of the atmosphere is the ozone layer located ?
A ) Only P
B) Only R
C ) P,Q and S
D) P,Q,R and S
3. Which of the following is in correct ?
A. Sanctuary is an In- situ conservation
B. National park is not an Ex- situ conservation
C. Biosphere reserve is an In- situ conservation
D. Botanical garden is an Ex- situ conservation
4. Biogas produced during sewage treatment, contains
A) Hydrogen Sulphide, Nitrogen, Methane
B) Hydrogen Sulphide, sulphur, Methane
C) Methane, Hydrogen sulphide, CO2
D) Methane, O2, CO2
5. Agarose extracted from sea weeds to use in
1) Gel electrophoresis
2) Spectrophotometry
3) Tissue culture
4) PCR
Choose the right answer
A) Only 1
B) only 2
C) Only 4
D) 1, 2, 3 & 4
6. DNA fingerprinting was discovered by
I) James Watson
II) Alec Jeffreys
III) Frederick Fanger
IV) H.G Khorana
Choose the correct answer
A) Only I
B) Only II
C) Only IV
D) All the above
7. The cell-mediated immunity inside the human body is carried out by
A) B- lymphocytes
B) T- lymphocytes
C) Thrombocytes
D) Erythrocytes
8. In the composition of a Nucleoside choose the component which is not present in it
A) Pentose sugar
B) Pyrimidine
C) Purine
D) Phosphoric acid
9. Non- sister chromatids twist around and exchange segments with each other during
P) Diakinesis
Q) Diplotine
R) Pachytene
S) Zygotene
Choose the right answer
A) Only P
B) Only R
C) P,Q and S
D) P,Q,R and S
10. Which one is a true statement regarding DNA polymerase used in PCR?
A) It is isolated from a virus
B) It remains active at high temperature
C) It is used to ligate introduced DNA in recipient cells
D) It serves as a selectable marker
11. Correct sequence of urine formation is
A) Filtration, reabsorption, secretion
B) Secretion, reabsorption, filtration
C) Reabsorption, secretion, filtration
D) Reabsorption, filtration secretion
12. Which of the following structures facilitates easy passage of small molecules to the glomerular capsule?
A) Loop of the nephron
B) Peritubular capillary
C) Convoluted tubule
D) Glomerulus
13. Which one of the followings is caused by a recessive allele of a gene on chromosome 7 ?
A) Phenylketonuria (PKU)
B) Tay-Sachs disease
C) Cystic fibrosis (CF)
D) Huntington disease
14. The Genetic deficiency of ADH-receptor leads to
A) Diabetes Insipidus
B) Glycosuria
C) Diabetes mellitus
D) Nephrogenic Diabetes
15. Correct sequence of embryo development
A) Gamete-- Zygote-- Morula--Blastula-- Gastrula
B) Gamete -- Zygote- Blastula--Morula -- Gastrula
C) Gamete-- Neurula -- Gastrula
D) Gamete --Neurula--Morula
16. The protein is present in cartilage
I) Chondrin
II) Collagen
III) Ossein
Choose the suitable option
A) Only I B) II and III
C) Only II D) only III
17. Match the following
Nutrition deficiency disease
1. Proteins a. Marasmus
2. Proteins & calories b. Obesity
3. junk foods c. Kwashiorkor
A) 1-a, 2- b, 3- c
B) 1- c, 2- b, 3- c
C) 1-c, 2- a, 3- b
D) 1- b, 2- c, 3- a
18. The main cause of anaemia is
1) Deficiency of Ca
2) Deficiency of Na
3) Deficiency of Fe
4) Deficiency of Mg
Choose the correct answer
A) Only 1
B) only 2
C) Only 3
D) 1,2,3 and 4
19. Oxidative phosphorylation refers to
A) Anaerobic production of ATP
B) The citric acid cycle production of ATP
C) Production of ATP by chemi osmosis
D) Alcoholic fermentation
20. The pathway that will produce oxygen during photosynthesis is
A) Electron transport pathway
B) Non-cyclic electron pathway
C) Light-independent reactions
D) Cyclic electron pathway
21. In Kranz anatomy, the bundle sheath cells have
A) Thin walls, no intercellular spaces and several chloroplasts
B) Thick walls, many intercellular spaces and few chloroplasts
C) Thin walls, many intercellular spaces and no chloroplasts
D) Thick walls, no intercellular spaces and large number of chloroplasts
22. Which one of the following is wrong in relation to photorespiration
A) It is a characteristic of C4 plants
B) It is a characteristic of C3 plants
C) It occurs in daytime only
D) It occurs in chloroplasts
23. Double fertilisation occurs in
A ) All organisms
B) Only in animals
C ) Only in plants
D) Only in Angiosperms
24. Read the following statements
P. Nucleus
Q. Golgi body
R. Centrosome
S. Mitochondria
Nerve cells do not have which of the following organelle ?
A) Only P
B) Only R
C) P,Q and S
D) P,Q,R and S
25. In population interactions, which interaction involves benefit of one species and the other species being neither benefitted nor harmed ?
A) Commensalism
B) Mutualism
C) Amensalism
D) Parasitism
26. Which of the following is not correct statement ?
A) r RNA is synthesized on Nucleus
B) r RNA is synthesized on Nucleolus
C) r RNA is synthesized on Ribosomes
D) r RNA is synthesized on Lysosomes
27. Read the following statements
P. CO2
Q. RUBP
R. O2
S. RUBP Case
Which of the following is reduced in Calvincycle ?
A) Only P
B) Only R
C) P,Q and S
D) P,Q,R and S
28. Respiratory center is located in the
A) Pneumotaxic center
B) Medulla oblongata
C) Alveoli
D) Apneustic center
29. The gap between two neurons is called
A) Dendrite.
B) Synapse.
C) Axon.
D) Impulse.
30. Which of the following is related to Ischemia
1) Reduced blood flow
2) Induced blood flow
3) It leads to CVA (Cerebro –Vascular Accident)
Choose the right answer from the following statements
A) Only 1
B) 1 & 3
C) Only 3
D) 1,2 & 3
31. Hybridoma technology is a new biotechnicological approach for commercial production of
A) Monoclonal antibodies
B) Interferon
C) Antibiotics
D) Alcohol
32. Bio fertilizers can be used to achieve :
A) To fix atmospheric nitrogen
B) To solubilise soil nutrients like phosphate
C) To stimulate plant growth
D) All of these
33. Animal cell culture is used to produce
A) Enzymes and hormones
B) Interferons and monoclonal antibodies
C) Virus vaccines and hybrid antibodies
D) All of these
34. The essential parts of a flower are
A) Calyx and corolla
B) Calyx and androecium
C) Corolla and gynoecium
D) Androecium and gynoecium
35. Read the following statements
P. Succinyl C0-A into succinic acid
Q. Succinic acid to fumaric acid
R. Alpha ketoglutaric acid to suc.Co-A In Krebs cycle, GTP is formed during conversion of
A) Only P
B) Only R
C) P,Q and S
D) P,Q,R and S
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