471. The tumors that are of small size and localized are___________?
(A. Benign)
B. Malignant
C. Gentle
D. Nasty


472. Where are histamine-secreting cells found?
A. Nervous tissue
B. Connective tissue
C. Areolar tissue
(D. All of the above)


473. Birds’ vertebrae are?
A. Acoelous
(B. Heterocoelous)
C. Amphicoelous
D. Proceolous


474. The term pleiotropy is explained when?
A. Single allele affects a single phenotypic trait
(B. Single allele affects multiple phenotypic traits)
C. Multiple alleles affect multiple phenotypic traits
D. Multiple alleles affect a single phenotypic trait


475. Out of the following, which is not a stop codon?
A. UAA
B. UAG
(C. GUG)
D. UGA


476. How many base pairs are there in every turn of the Watson Crick double Helical model?
A. 32.3
B. 11.5
C. 20
(D. 10.4)


477. The chief atmospheric layer present near the surface of the earth is?
A. Ionosphere
B. Mesosphere
(C. Troposphere)
D. Stratosphere


478. A species that can inhabit different geographical areas is known as?
(A. Allopatric)
B. Sympatric
C. Sibling
D. Biospecies


479. Polymorphism is a characteristic of phylum?
(A. Cnidaria)
B. Nematoda
C. Annelida
D. None of the above


480. A drug that reduces high blood pressure is obtained from:
A. Aconitum chasmanthum
B. Centella asiatica
(C. Rauwolfia serpentine)
D. Solanum nigrum


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