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Q40.Trypan blue assay is used for the: (A) Counting of animal cells(B) Quantification cellular proteins(C) Quantification of nucleic acid(D) Identification of metabolite Trypan blue assay is used for counting animal […]

Q39.Which one of the following antibody can cross placental barrier? (A) IgG(B) IgM(C) IgE(D) IgA The correct answer is (A) IgG. IgG is the only antibody class that crosses the […]

Q38.Diagnostic test used to detect Human Immunodeficiency Virus is (A) Widal(B) Autoradiography(C) ELISA(D) Precipitation The diagnostic test used to detect Human Immunodeficiency Virus (HIV) is ELISA. ELISA, or Enzyme-Linked Immunosorbent […]

Q37.Heterospory is not found in (A) Pinus(B) Cycas(C) Selaginella(D) Pteridium The correct answer is (D) Pteridium. Heterospory involves producing two spore types—microspores (male) and megaspores (female)—a key evolutionary step toward […]

Q36.The formation of endosperm before fertilization is a characteristic of (A) Bryophytes(B) Angiosperms(C) Gymnosperms(D) Pteridophytes The correct answer is (B) Angiosperms. Free nuclear endosperm formation begins before actual cellularization post-fertilization, […]

Q35.Which of the following vaccine does not provide life time protection? (A) Polio(B) Chicken pox(C) Small pox(D) MMR The correct answer is (B) Chicken pox. The varicella (chickenpox) vaccine provides long-term […]

Q34.Hematopoietic stem cells are found in (A) Bone marrow(B) Liver(C) Spleen(D) Payers patches Hematopoietic stem cells are primarily found in bone marrow, the main site of adult blood cell production. This […]

Q33.Gaucher disease is a genetic disorder which is associated with (A) Endoplasmic reticulum(B) Golgi apparatus(C) Peroxisome(D) Lysosomes The correct answer is (D) Lysosomes. Gaucher disease results from deficient lysosomal enzyme activity, […]

Q32.Which of the following statement is true about Gymnosperms? (A) Albuminous cells in phloem are absent(B) The embryo that grows after fertilization is exoscopic in nature(C) Gymnosperms are dioecious in […]

Q31.In which of the following plants, the gametophyte does not represent an independent free living generation? (A) Polytrichum(B) Funaria(C) Marchantia(D) Pinus In Pinus, the gametophyte does not represent an independent […]