551. Alternation of generations is absent in:
A. Hydration
B. Obelia
(C. Jellyfish)
D. Physalia
552. Double fertilization is a feature of:
A. Ferns
B. Whisk ferns
C. Gymnosperms
(D. Angiosperms)
553. If bile pigments are prevented from leaving the digestive tract, then they cause:
A. Hepatitis
(B. Jaundice)
C. Gallstones
D. Blockage
554. Initial pH of the food vacuole during digestion in amoeba is:
A. 5.3
(B. 5.6)
C. 7.3
D. 7.6
555. The arrangement of _ speaks of the division of labor within the cell?
A. Molecule
B. Subatomic particles
C. Atoms
(D. Organelles)
556. NADH is oxidized by___________?
(A. Coenzyme)
B. Cytochrome b
C. Oxygen
D. Glycolysis
557. Salivary glands present in front of the ear are___________?
A. Sublingual
B. Submaxillary
C. Submandibular
(D. Parotid)
558. How many spiracles are present in a cockroach_____________?
A. 5
B. 10
(C. 20)
D. 40
559. Which of the following is the correct sequence in the biological method?
A. Observation?hypothesis?law?theory
(B. Observation?hypothesis?deduction?testing of deduction)
C. Hypothesis?observation?deduction?testing of deduction
D. Law?theory?deduction?observation
560. Amphibians are considered to be evolved from___________?
A. Newts
B. Varanope
(C. Dipnoi)
D. Hagfishe
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