1. From the following plants, which one is a Dioecious plant?
A) Coconut
B) Cucurbita
C) Date Palm
D) Hibiscus
2. Seeds of certain flowering plants contain perisperm. What is perisperm?
A) Persistent Endosperm
B) Persistent Nucellus
C) Cotyledon
D) Unused Endosperm
3. Ability of a plant cell to generate as a whole plant is known as
A) Totipotency
B) Pleuripotency
C) Biopotency
D) Innate Potency
4. From the following find out a selectable marker.
A) Eco R1 B) ori C) rop D) amp
5. The process of Elution during electrophoresis is
A) Loading DNA
B) Restriction digestion
C) Staining
D) Separated DNA fragments are cut out from agarose gel and extracted
from gel Piece
6. A single stranded DNA or RNA which is tagged with a radioactive
molecule used in molecular diagnosis is known as
A) Probe B) Primer C) cDNA D) RNAi
7. Name the Ecological Interaction between orchid and mango tree.
A) Amensalism B) Mutualism C) Commensalism D) Parasitism
8. Name the ecological pyramid which is always upright.
A) Number pyramid
B) Biomass pyramid
C) Both A) and B)
D) Energy pyramid
9. Function of the nucleolus is
A) Controlling cell activities
B) Biosynthesis of ribosome subunits
C) Motility of cell
D) Formation of basal bodies
10. Terminalisation of Chiasmata occur at which stage of Prophase I?
A) Diplotene B) Diakinesis C) Leptotene D) Zygotene
11. The transmission of HIV infection in human being generally not
occurs
A) By sharing infected injection needles
B) From infected mother to her child
C) By drinking water using the same glass
D) By sexual contact with infected person
12. Pseudocoelom is found only in animals belonging to the phylum
A) Cnidaria B) Aschelminthes C) Mollusca D) Echinodermata
13. Which factor is not favourable for the formation of oxyhaemoglobin
in human being?
A) high PO2
B) low PCO2
C) high temperature
D) low H ion concentration
14. Name the cells which synthesize and secrete testicular hormones
called androgens.
A) Leydig cells
B) Sertoli cells
C) Male germ cells
D) Spermatids
15. ‘Carbohydrates are not digested in the stomach of human being.’ The
reason for this is
(i) Pepsin can digest only small amount of carbohydrates.
(ii) There are no carbohydrates in gastric juice.
(iii) Salivary amylase becomes denatured by the HCl in stomach.
A) statement (i) is correct
B) all statements are correct
C) all statements are wrong
D) statements (ii) and (iii) are correct
16. The QRS complex in an ECG of a man represents
A) Ventricular depolarisation
B) Atrial depolarisation
C) Ventricular repolarisation
D) Arial repolarisation
17. Name the chromosomal disorder in which the affected individual
expresses Gynaecomastia.
A) Down’s Syndrome
B) Klinefelter’s Syndrome
C) Turner’s Syndrome
D) Acquired Immuno Deficiency Syndrome
18. In a transcription unit of DNA, the strand which acts as a template
for RNA synthesis
is known as
A) Coding strand B)
Intron C) Exon D) Template strand
19. An increase blood flow to atria of human heart stimulates the
release of Atrial Natriuretic Factor (ANF) will leads to
(i) Vaso dialation
(ii) Increase GFR
(iii) Increase urine formation
(iv) Decrease blood pressure.
A) Statement (ii) is correct
B) Statements (ii) and (iii) are correct
C) Statement (i) is correct
D) Statements (i) and (iv) are correct
20. One of the following organisms is not included in the phylum
Mollusca.
A) Chaetopleura B) Aplysia C) Ophiura D) Loligo
Answers:
1. C) Date Palm
2. B) Persistent Nucellus
3. A) Totipotency
4. D) amp
5. D) Separated DNA fragments are cut out from agarose gel and extracted
from gel piece
6. A) Probe
7. C) Commensalism
8. ) D) Energy pyramid
9. B) Biosynthesis of ribosome subunits
10. B) Diakinesis
11. C) By drinking water using the same glass
12. B) Aschelminthes
13. C) high temperature
14. A) Leydig cells
15. D) statements (ii) and (iii) are correct
16. A) Ventricular depolarisation
17. B) Klinefelter’s Syndrome
18. D) Template strand
19. D) Statements (i) and (iv) are correct
20. C) Ophiura
