1021. Number of nuclear pores/nucleus in an RBC are_________?
✅ B. 3?4
Option A: 1?3 Option B: 3?4 Option C: 10000 Option D: 30000 Correct Answer : 3?4 Read more
Biology MCQs – Page 52
1022. Yellow cytoplasm in ascidian gives rise to______________?
✅ B. Muscle cells
Option A: Epidermis Option B: Muscle cells Option C: Gut Option D: Notochord Correct Answer : Muscle cells Read more
1023. Chlorophyll molecule contrains __________ as central metal ion.
✅ B. Mg2+
Option A: Fe2+ Option B: Mg2+ Option C: Zn2+ Option D: Cu2+ Correct Answer : Mg2+ Read more
1024. Okazaki fragments are connected together through action of_________________?
✅ D. Ligase
Option A: Primase Option B: Polymerase Option C: Helicase Option D: Ligase Correct Answer : Ligase Read more
1025. Which of the following combination is an example of self replicating organelles?
✅ C. Mitochondria Chloroplast
Option A: Mitochondria Ribosomes Option B: Mitochondria Nucleus Option C: Mitochondria Chloroplast Option D: Mitochondria Vacuole Correct Answer : Mitochondria Chloroplast Read more
1026. Which of the following is an autosomal disorder______________?
✅ A. Downs syndrome
Option A: Downs syndrome Option B: Klinifelters syndrome Option C: Turners syndrome Option D: Jacobs syndrome Correct Answer : Downs syndrome Read more
1027. The place of centromere where spindle fibres get attached is_________?
✅ A. Kinetochore
Option A: Kinetochore Option B: Kinochore Option C: Centromere region Option D: all of these Correct Answer : Kinetochore Read more
1028. Embryonic induction is caused by part developing from_____________?
✅ C. Mesoderm
Option A: Endoderm Option B: Ectoderm Option C: Mesoderm Option D: Extraembryonic layers Correct Answer : Mesoderm Read more
1029. Sickle cell anemia is an example of_________________?
✅ D. Point mutation
Option A: Chromosomal aberration Option B: Insertion of gene Option C: Deletion of gene Option D: Point mutation Correct Answer : Point mutation Read more
1030. The type of plastids which help in pollination is_________?
✅ A. Chromoplasts
Option A: Chromoplasts Option B: Leucoplasts Option C: Chloroplasts Option D: All of these Correct Answer : Chromoplasts Read more
1031. Purines and pyrimidines are in equal ration in DNA. It was indicated by_______________?
✅ B. Chargaff
Option A: F.Miescher Option B: Chargaff Option C: Watson & Crick Option D: Harshay & Chase Correct Answer : Chargaff Read more
1032. Yellowish glandular structure which produces progesterone is_____________?
✅ C. Corpus luteum
Option A: Graffian follicle Option B: Ovary Option C: Corpus luteum Option D: Placenta Correct Answer : Corpus luteum Read more
1033. The stent energy in the form of ADP is regenerated by mitochondria into__________?
✅ C. ATP
Option A: AMP Option B: ADP Option C: ATP Option D: All of these Correct Answer : ATP Read more
1034. Which of the following cytoskeletal fiber contain tubulin protein?
✅ A. One which help in assembly of spindles during mitosis.
Option A: One which help in assembly of spindles during mitosis. Option B: One involved in internal cell motion. Option C: One involved in maintenance of cell shap Option D: E. Correct Answer : One which help in assembly of spindles during mitosis. Read more
1035. Only myosine is present in_____________?
✅ C. H zone
Option A: A band Option B: 1 band Option C: H zone Option D: Sarcomere Correct Answer : H zone Read more
1036. Joints present in skull are example of_______________?
✅ A. Fibrous joints
Option A: Fibrous joints Option B: Cartilaginous joints Option C: Synovial Joints Option D: Slightly moveable joints Correct Answer : Fibrous joints Read more
1037. The human naked eye can differentiate between two points which are __________ apart?
✅ A. 1.0 mm
Option A: 1.0 mm Option B: 0.1 mm Option C: 1.0 cm Option D: 1.0 dm Correct Answer : 1.0 mm Read more
1038. _____________ is a nervous disorder characterized by involuntary tremors, diminished motor power and rigidity?
✅ D. Parkinsons disease
Option A: Epilepsy Option B: Meningitis Option C: Alzheimers disease Option D: Parkinsons disease Correct Answer : Parkinsons disease Read more
1039. Of the following which one is not the characteristic of mitochondria?
✅ D. Number of mitochondria is constant
Option A: It contains F1 particles Option B: It is involved in the synthesis of protein Option C: It is a self replicating organelle Option D: Number of mitochondria is constant Correct Answer : Number of mitochondria is constant Read more
1040. In human female, fertilization commonly occurs at______________?
✅ A. Proximal part of oviduct
Option A: Proximal part of oviduct Option B: Distal part of oviduct Option C: Uterus Option D: Cervix Correct Answer : Proximal part of oviduct Read more