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1. 
Which of the given statements does not match with the given Karyotype? 1. No menstruation even after the age of puberty 2. No ovulation and sterility 3. No spermatogenesis hence sterility
A.
1 and 2
B.
2 and 3
C.
1 Only
D.
3 Only
2. 
The following graph shows the temperature optimum of a bacterial enzyme. The enzyme is-
A.
Inolase
B.
Hexokinase
C.
Lipase
D.
Taq-Polymerase
3. 
Lower groups of animals have -------- but lack -----------.
A.
Exoskeleton, Endoskeleton
B.
cytoskeleton, exoskeleton
C.
Endoskeleton, Exoskeleton
D.
Endoskeleton, cytoskeleton
4. 
A zoology student studying mollusks found that some snails are hermaphrodites and they reproduce both by self and cross-fertilization. They have a gene of coiling pattern of shells on their back. The shell coils it either in left handed or right handed manner. The allele of right- handed coiling is dominant over left-handed coiling. Consider two snails A and B having homozygous genes for left handed and right handed coiling respectively, showing cross fertilization. The progeny of A and B shows, self- fertilization to produce, left handed coiling in -
A.
50% offsprings
B.
25% offsprings
C.
75% offsprings
D.
100% offsprings
5. 
In HSK pathway, Oxaloacetic acid-
A.
Oxidizes NADH2
B.
Reduces NADPH2
C.
Reduces malic acid
D.
Produces ATP
6. 
Sort out correct statement in relation to given diagram
A.
The joint between A and B is a saddle joint
B.
C is radius and D is ulna
C.
The contracted muscle in the given diagram is in extensor compartment
D.
B is a bone in shoulder girdle as well as shoulder joint
7. 
The free-floating organisms on surface of open sea as well as seashores are called -
A.
Benthic forms
B.
Detrivores
C.
Producers
D.
Plankton
8. 
Actinomycetes and Fungi are believed to be-
A.
Pioneer species
B.
Climax Species
C.
Micro-consumer species
D.
Keystone species
9. 
Guano is excreta of ------------, rich in --------------.
A.
Bird, Proteins
B.
Lizards, Urea
C.
Fishes, Ammonia
D.
Birds, Phosphorus
10. 
Which of the following is correct for a blood pressure reading of 130/80? I. The pressure due to ventricular contraction is 130 mm of Hg. II. The pressure due to ventricular relaxation is 80 mm of Hg. III. The Pulse pressure is 40 mm of Hg.
A.
I and III
B.
II and III
C.
I, II and III
D.
I and II