A. termite B. housefly C. honeybee D. ant Correct Answer: Option B B. housefly Explanation Social insects are characterized by…
A. rocks B. water C. chemicals D. trees Correct Answer: Option A A. rocks Explanation Some sedimentary rocks actually have…
A. natural selection B. struggle for survival C. independent assortment D. the use and disuse of body parts Correct Answer:…
A. Louis Pasteur B. Gregor Mendel C. Robert Hooke D. Jean Lamarck Correct Answer: Option D D. Jean Lamarck Explanation…
A. movement of water through the xylem B. loss of water vapour from the stomata C. translocation of food through…
A. Lysosome B. Nucleus C. Mitochondrion D. Ribosome Correct Answer: Option C C. Mitochondrion Explanation The production of ATP happens…
A. Chlamydomonas B. Amoeba C. Paramecium D. Plasmodium Correct Answer: Option D D. Plasmodium Explanation The plasmodium is a single-celled…
A. shape of locomotory organs B. blunt anterior and pointed posterior C. presence of micro and mega nuclei in both…
A. Porifera B. Cnidaria C. Platyheminthes D. Nematoda Correct Answer: Option A A. Porifera Explanation Porifera are 'pore bearing' organisms,…
A. oxygen bond B. hydrogen bond C. electrovalent bond D. covalent bond Correct Answer: Option B B. hydrogen bond Explanation…