1. Which of the following do not have a nucleus or any other membrane-bound organelle inside them?
- (a) Prokaryotes
- (b) Eukaryotes
- (c) Both of these
- (d) none of these
2. Those who have cells and a well-defined membrane-bound nucleus and organelles?
- (a) Prokaryotes
- (b) Eukaryotes
- (c) Both of these
- (d) none of these
3. Who proposed the kingdom system?
- (a) Carolus Linnaeus
- (b) Robert Whittaker
- (c) Both of these
- (d) none of these
4. Who proposed the kingdom system?
- (a) Carolus Linnaeus
- (b) Robert Whittaker
- (c) Both of these
- (d) none of these
5. The virus was discovered by a scientist in 1892?
- (a) Carolus Linnaeus
- (b) Robert Whittaker
- (c) Lwanowski
- (d) none of these
6. Which Chracter of viruses makes their resemblance with living organisms?
- (a) They can be crystallized
- (b) They cannot live outside the body
- (c) They contain DNA and RNA
- (d) All of these
7. Euglena belongs to the kingdom Protista because?
- (a) It is unicellular
- (b) it is Eukaryotic
- (c) Having both plant and animal like
- (d) It lives in water
8. The correct sequence of hierarchy from small to large units is?
- (a) Genus-family-order-class
- (b) Family-order_ class-genus
- (c) Genus-family-class
- (d) Species-family-genus-class
9. The kingdom which contains eukaryotic, autotrophic organisms is?
- (a) Protista
- (b) Monera
- (c) Fungi
- (d) none of these
10. The five kingdom system of classification was modified by?
- (a) Rober Whittaker
- (b) Margulis and Schwartz
- (c) Carolus Linnaeus
- (d) Aristotle
11. What percentage of transportation occurs through the stomata?
- (a) 80%
- (b) 85%
- (c) 90%
- (d) 95%
12. What is the lifespan of red blood cells?
- (a) 90 days
- (b) 95 days
- (c) 100 days
- (d) 120 days
13. The life span of white blood cells are?
- (a) 2-3 days
- (b) 3-4 days
- (c) 3-5 days
- (d) 4-5 days
14. Those blood vessels carry blood from the heart to various parts of the body?
- (a) Arteries
- (b) veins
- (c) artery
- (d) Aorta
15. The color of arteries is?
- (a) Red
- (b) bright red
- (c) blue
- (d) white
16. Those blood vessels which carries blood from all parts of body towards heart?
- (a) Arteries
- (b) veins
- (c) artery
- (d) Aorta
17. Absorption of water molecules through root hairs is due to?
- (a) Active transport
- (b) Diffusion
- (c) Osmosis
- (d) Pressure flow
18. According to pressure flow theory one of the following is NOT a sink?
- (a) Root
- (b) Leaves
- (c) Stem tubers
- (d) fruits
19. When you suck a cold drink using a drinking straw, it resembles?
- (a) Diffusion
- (b) flow of material in the xylem
- (c) Flow of material in phloem
- (d) root pressure
20. The cells that form platelets are?
- (a) Erythrocytes
- (b) leucocytes
- (c) Bone marrow cells
- (d) all of these
21. A person is transfused with a donor blood group ‘0″. his blood group may be?
- (a) A
- (b) B
- (c) AB
- (d) all of these
22. Which of the following chambers has the thickest walls in human heart?
- (a) Right atrium
- (b) left atrium
- (c) Left ventricle
- (d) right ventricle
23. The exchange of materials between the blood and tissues occurs in?
- (a) Arteries
- (b) veins
- (c) Capillaries
- (d) arteries and veins
24. All veins carry deoxygenated blood except the one vein called?
- (a) Vena cava
- (b) hepatic portal
- (c) Pulmonary
- (d) renal
25. Valves to prevent the backflow of blood are found in the?
- (a) Arteries
- (b) veins
- (c) Capillaries
- (d) arteries and capillaries
Test 1 | Test 2 | Test 3 | Test 4 | Test 5 |
Test 6 | Test 7 | Test 8 | Test 9 | Test 10 |