Question

Q1 which tissue of plant transports food? *
1 point
Xylem
Phloem
Leaves
Stems
Q2 Upper two chambers of heart are known as *
1 point
Ventricles
Veins
Atrium
Arteries
Q3 which carry oxygen rich blood from heart to all parts of the body. *
1 point
Left ventricle
Left atrium
Vena cava
Aorta
Q4 which type of soil water moves faster. *
1 point
Sandy soil
Clay soil
Loamy soil
None of these
Q5 in cockroaches air enters the body through *
1 point
Lungs
Skin
Spiracles
Gills
Q6During exhalation the ribs *
1 point
Move outwards
Move downwards
Move upwards
Do not move at all
Q7 which of horizon soil minerals are found *
1 point
A
B
C
None of these
Q8 soil conservation measures are mainly aimed at protecting which of the following? *
1 point
plants
Subsoil
Topsoil
Microorganisms
Q9 which gases involved during breathing. *
1 point
CO2 and o2
O2 and o3
O2 and SO2
SO2 and so3
Q10 yeasts are used in *
1 point
Baking
Beer industry
Both
None of these
Q11 which of the following is the main circulatory fluid *
1 point
Lymph
Plasma
Blood
None of these
Q12 earthworm breathe through their
1 point
Lungs
Skin
Gills
Mouth
Q13 insects have network of a tubes called
1 point
Pores
Tracheae
Spiracles
Tissue
Q14 An anaerobic organism *
1 point
Rhizobium
Yeast
Ant
None of these
Q15 the openings through which we inhale are *
1 point
Mouth
Trachea
Nostril
All of these
Q 16 Doctor feel your heartbeat with the help of
1 point
Sphygmomanometer
Stethoscope
Both
None of these
Q 17 water reaches great heights in trees because of suction pull caused by *
1 point
Transpiration
Respiration
Photosynthesis
Roots
Q18 who discovered circulation of blood
1 point
William Johns
Karl landsteiner
William Harvey
Stanley
Q19 which helps fight against germs that may enter our body *
1 point
RBC
WBC
Platelets
Plasma
Q20 which carries deoxygenated blood heart to lungs *
1 point
Pulmonary vein
Right ventricle
Right atrium
Pulmonary artery
​

Answer 1

Explanation:

1. pholeum tissue
2. Atrium
3. left ventricle
4. sandy soil
5. spiracles
6. move downwards
7. B
8. topsoil
9. Co2 and O2
10. both of these
11. blood
12. skins
13. trachea
14. Rhizobium
15. nostrils
16. stethoscope
17. photosynthesis
18. William Harvey
19. WBC
20. pulmonary artery

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