Biology Mcqs for the preparation of NTS, PPSC, SPSC, BPSC, KPSC, FPSC, OTS and other academic entry test and jobs tests.
16. Redness in blood is because of the presence of
(a) Iron in heme pigment
(b) Aluminum in heme pigment
(c) Copper in heme pigment
(d) All of these
17. What is Celluloses
(a) Fats
(b) Carbohydrates
(c) Vitamins
(d) Protein
18. Age of a tree can be determined by
(a) Counting the number of rings in the stem
(b) Counting the number of leaves
(c) Counting the number of branches
(d) Measuring the size of the tree
19. What is the smallest unit of life
(a) Cell
(b) Atom
(c) Virus
(d) a & b
20. What is the largest organ of the human body
(a) Liver
(b) Intestines
(c) Stomach
(d) Skin
21. Red blood cells (RBC) are also known as
(a) Erythrocytes
(b) Thrombocytes
(c) Leucocytes
(d) None of these
22. Interferon is
(a) Tonic
(b) Virus
(c) Carbohydrate
(d) Ore of iron
23. The longest bone in the body of human being is
(a) Tibia
(b) Femur
(c) Fibula
(d) Stapes
24. What is the most important stimulant in tea leaves
(a) Brucine
(b) Caffeine
(c) Phenylalanine
(d) Theine
25. What rays of sunlight are mostly utilized by chlorophyll in photosynthesis
(a) Red
(b) Yellow
(c) Green
(d) Blue
26. Which of the following animals does not have nervous system
(a) Leech
(b) Amoeba
(c) Snail
(d) Tapeworm
27. A person having AB- group of blood to donate a person having
(a) A- group
(b) B- group
(c) AB- group
(d) 0- group
28. The pH of human blood is between
(a) 6.5
(b) 7.4
(c) 8.9
(d) 4.5
29. Panda is found in
(a) Nepal
(b) Bhutan
(c) India
(d) China
30. Activity of brain is recorded by
(a) ECG
(b) EEG
(c) MET
(d) CT
