A. ectodermic and enteron B. ectoderm and endoderm C. endodermis and dermis D. epidermis and dermis Correct Answer: Option B…
A. from oxidising food substances B. from air trapped in vacuoles C. through diffusion of air into its body D.…
A. Asexually reproduced cells held together in a mass, but independent of each other B. Sexually reproduced cells held together…
A. mitochondria B. gene C. ribosome D. lysosome Correct Answer: Option B B. gene
A. Euglena B. Hydra C. Heart D. Virus Correct Answer: Option C C. Heart
A. Bees B. Bats C. Lizards D. Rabbit Correct Answer: Option C C. Lizards
A. hybrid B. allele C. recessive D. dominant Correct Answer: Option D D. dominant
A. Continuous variation B. Discontinuous variation C. Hereditary variation D. Acquired variation Correct Answer: Option A A. Continuous variation
I. Complexion II. Height III. Blood Rh factor IV. Colour blindness A. I and III only B. II and III…
A. nitrate B. antibiotics C. cured tobacco D. tanned leather Correct Answer: Option B B. antibiotics