A. All RNA viruses
B. All DNA viruses
C. All retroviruses
D. All viruses
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Related Mcqs:
- Protonephridia are present in____________?
A. Round worms
B. Flateworm
C. Tape worms
D. Segmented worms - Protein coasts of viruses are synthesized in____________?
A. Lytic cycle
B. Lysogenic cycle
C. Both a & b
D. All of these - In sponges fertilization takes place in____________?
A. Ectoderm
B. Mesenchyme
C. Endoderm
D. Uterus - Light reaction takes place on/in____________?
A. Thylakoid
B. Storma
C. Chloroplast
D. Grana - Glycolysis takes place in____________?
A. Nucleus
B. Cytosol
C. Mitochondria.
D. Ribosomes - The distal blind end of the malpighian tubules bathes freely in____________?
A. Digestive tract
B. Intestines
C. Haemocoel
D. Coelom - Nephrostome in earthworm opens in____________?
A. External space
B. Internal Body cavity
C. In gut
D. In Bladder - Chitin in cockroach is absent in____________?
A. Epicuticle
B. Exocuticle
C. Endocuticle
D. All of these - Nitrogen is present in___________?
A. carbohydrates
B. proteins
C. lipids
D. carbonates - How many vertebrae are present in thoracic region?
A. 7
B. 12
C. 5
D. 4
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