VELAMMAL BODHI CAMPUS-2 , PONNERI
REVISION TEST-5
Grade : X CBSE DATE: 15.05.2020
Subject : BIOLOGY Time: 1 Hr.
Exam.No Marks:40
1. Which of the following are energy foods?
(a) Carbohydrates and fats (b) Proteins and mineral salts (c) Vitamins and minerals (d) Water and roughage
2. In which mode of nutrition an organism de-rives its food from the body of another living organism without killing
it?
(a) Saprotrophic nutrition (b) Parasitic nutrition (C) Holozoic nutrition (d) Autotrophic nutrition
3. The mode of nutrition found in fungi is:
(a) Parasitic nutrition (b) Holozoic nutrition (c) Autotrophic nutrition (d) Saprotrophic nutrition
4. Roots of the plants absorb water from the soil through the process of
(a) diffusion (b) transpiration (C) osmosis (d) None of these
5. The site of photosynthesis in the cells of a leaf is
(a) chloroplast (b) mitochondria (c) cytoplasm (d) protoplasm
6. In amoeba, food is digested in the:
(a) food vacuole (b) mitochondria (c) pseudopodia (d) chloroplast
7. Which of the following events in the mouth cavity will be affected if salivary amylase is lacking in the saliva?
(a) Starch breaking down into sugars. (b) Proteins breaking down into amino acids.
(c)Absorption of vitamins. (d) Fats breaking down into fatty acids and glycerol.
8. Which region of the alimentary canal absorbs the digested food?
(a) Stomach b) Small intestine c)Large intestine (d) Liver
9. The contraction and expansion movement of the walls of the food pipe is called:
(a) translocation (b) transpiration (c) peristaltic movement (d) digestion
10. When a few drops of iodine solution are added to rice water, the solution turns blue- black in colour.
This indicates that rice water contains:
(a) fats (b) complex proteins (c) starch (d) simple proteins
11. The exit of unabsorbed food material is regulated by
a) liver b) anus c) small intestine (d) anal sphincter
12. What are the products obtained by anaerobic respiration in plants?
(a) Lactic acid + Energy (b) Carbon dioxide + Water + Energy
C) Ethanol + Carbon dioxide + Energy (d) Pyruvate
13. The breakdown of pyruvate to give carbon dioxide, water and energy takes place in
(a) cytoplasm (b) mitochondria c) chloroplast (d) nucleus
14. Glycolysis process occurs in which part of the cell?
(a) Cytoplasm (b) Nucleus (c) Mitochondria (d) Chloroplast
15. Name the substances whose build up in the muscles during vigorous physical exercise may cause cramps?
(a) Ethanol + Carbon dioxide + Energy (b) Lactic acid + Energy
(c) Carbon dioxide + Water +Energy (d) Pyruvate
16. Name the pores in a leaf through which respiratory exchange of gases takes place
(a) Lenticels (b) Vacuoles (C) Xylem (d) Stomata
17. The respiratory pigment in human beings is:
a) carotene (b) chlorophyll c) haemoglobin (d) mitochondria
18. Which plant tissue transports water and minerals from the roots to the leaf?
(a) Xylem (b) Phloem c) Parenchyma (d) Collenchyma
19. The movement of food in phloem is called:
(a) transpiration (b) translocation c) respiration (d) evaporation
20. A blood vessel which pumps the blood from the heart to the entire body:
(a) artery (b) capillary (c) Vein (d) Haemoglobin
21. Name a circulatory fluid in the human body other than blood.
(a) Platelets b) RBC (c) Lymph (d) Plasma
22. Single circulation, i.e., blood flows through the heart only once during one cycle of passage through the body, is
exhibited by which of the following
(a) hyla, rana, draco (b) whale, dolphin, turtle
(c) labeo, chameleon, salamander (d) hippocampus, exocoetus, anabas
23. Name the tube which connects the kidneys to the urinary bladder.
(a) Urethra b) Nephron (c) Tubule (d) Ureter
24. Which part of nephron allows the selective reabsorption of useful substances like glucose, amino acids, salts
and water into the blood capillaries?
(a) Tubule (b) Glomerulus (C) Bowman's capsule (d) Ureter
25. Where is the dirty blood in our body filtered?
(a) Heart (b) Lungs (c) Ureter (d) Kidneys
26. The procedure used for cleaning the blood of a person by separating urea from it is called:
(a) osmosis (b) filtration (c) dialysis (d) double circulation
27. Identify the correct path of urine in the human body.
(a) Kidne>yurinary bladder>urethra ureter (b) Urinary bladder > ureter >kidney> urethra
(c) Kidney>ureter> urethra> urinary bladder (d) Kidney>urete > rurinary bladder > urethra
28. Autotrophic organisms include
(a) bacteria and virus (b) bacteria and fungi (c) green plants and some bacteria (d) green plants and all bacteria
29. Which part of alimentary canal receives bile from the liver?
(a) Stomach (b) Small intestine (c) Large intestine (d) Oesophagus
30. A gland not associated with the alimentary canal is
(a) liver (b) salivary glands (C)pancreas (d) adrenal
31. Normal blood pressure (systolic/diastolic) is
(a) 120/80 mm of Hg (b) 160/80 mm of Hg (c) 120/60 mm of Hg (d) 180/80 mm of Hg
32. Blood pressure is measured by an instrument called
(a) barometer b) sphygmomanometer (C) photometer (d) manometer
33. Large intestine in man mainly carries out
(a) absorption (b) assimilation (c) digestion of fats (d) digestion of carbohydrates
34. The part of the digestive system where no digestion takes place is
(a) ileum (b) stomach (C) mouth (d) oesophagus
35. The fermentation of glucose by yeast normally yields
(a) alcohol, CO2 and 36 ATP (b) CO2, H20 and 36 ATP
(c) alcohol, CO2 and 2ATP (d) lactic acid, CO7 and 2 ATP
36. A large quantity of one of the following is removed from our body by lungs:
(a) CO2 and H20 (b) CO2 only (c) FLO only (d) ammonia
37. In respiration, air passes through
(a) Pharynx> nasal cavity> larynx > trachea bronchi> bronchioles
(b) Nasal cavity> pharynx> larynx> trachea>bronchi> bronchioles
(c) Larynx > nasal cavity>pharynx> trachea
(d) Larynx >pharynx trachea> lungs
38. A biochemical compound that readily combines with oxygen and distributes it throughout the human
body is
(a) water b) urea (c) haemoglobin (d) acetylcholine
39. The process in which loss of water takes place in the form of water vapour through stomata is called
(a) transportation (b) transpiration c)guttation (d) translocation
40. In a closed circulatory system, blood is completely enclosed within
(a) vessels (b) heart (c) skeleton (d) sinuses
