DAILY UPDATES MOCK TEST 64

1. Oxygen transports to all parts of the body through haemoglobin. Haemoglobin presents in

Plasma

White blood cells

Platelets

Red blood cells

2. Most of the red, blue and purple colours of plants are due to a pigment called

Anthocyanin

Carotene

Chlorophyll

Xanthophylls

3. The ph value of human blood is__?

7.4

7.2

0

8.6

4. Plants are killed in winter by frost

Because of desiccation and mechanical damage to the tissues

Because no photosynthesis takes place at such low temperature

Because respiration ceases at such low temperature

Because there is no transpiration

5. Organic Substances which, in very small amounts, control growth and development called

Vitamins

. hormones

Enzymes

None of the above

6. On which of the following plants did Gregor Mendal perform his classical experiment?

Gram

Maize

Pea

Wheat

7. Poison glands of snakes are homologous to

Electric organs of fishes

Stings of rays

Sebaceous glands of mammals

Salivary glands of vertebrates

8. In the cell the food (glucose) is broken down into

Oxygen, water and energy

Nitrogen and water

Carbon dioxide, water and energy

Carbon dioxide only

9. Muscles cramps occur after heavy exercise this is because accumulation of

Amino acids

Fatty acids

Carbon dioxide

Lactic acid

10. During breathing the unwanted particles such as smoke,dust,pollen etc get trapped in

Trachea

Pharynx

Nasal cavity

Lungs

11. At rest adult person breathes in and out

19-22 times in a minute

25-30 times in a minute

15-18 times in a minute

30-35 times in a minute

12. Blood transport substances like digested food from

Small intestine

Large intestine

Stomach

Pancreas

13. Ptyalin is an enzyme produced in the

Salivary glands

Pituitary glands

Thyroid glands

Pancreas

14. Consider the following statements (1) Arteries carry carbon dioxide rich blood from the heart to lungs. (2) Veins are the vessels which carry carbon dioxide rich blood from all parts of the body back to the lungs. (3) Arteries carry oxygen rich blood from heart to all parts of the body. (4) Veins have thick walls. Which of the above statements is correct?

1 and 2

2 and 3

3 and 4

1 and 4

15. Consider the following statements (1) Pulmonary artery carries blood from the heart .It carries carbon dioxide rich blood to the lungs. (2) Pulmonary vein carries oxygen rich blood from the lungs to the heart. Which of the above statement is correct?

1 only

2 only

Both 1 and 2

Neither 1 nor 2

16. Part of eye used during eye donation is –

Retina

Cornea

Eye hens

Complet eye

17. Image of object is formed on which part of eye –

Cornea

Choroid

Retina

Iris

18. In the retina of eye cells present for colour differentiation –

Cones

Rods

Cornea

Choroid

19. Function of Iris is –

Formation of image

Protection of eye lens

To regulate the size of pupil

To make the image in inverted condition

20. Colour of skin depend on –

Enzyme

Harmones

Epidermis

Melanin

21. Thickest layer of skin is found on –

Sole

Palm

Thigh

Head

22. Largest organ of human body is –

Brain

Heart

Skin

Liver

23. Upper most layer of skin is called –

Epidermis

Protodermis

Dermis

None of these

24. The hardest part of human body is –

Bone

Palaque

Enamel

Skull

25. Which part of human brain is affected by alcohol?

Cerebrum

Cerebellum

Medulla Oblongata

Corpus Callosum

26. The rarest blood group is __.

O negative

B negative

AB positive

AB negative

27. The metal present in the haemoglobin is __ .

Copper

Calcium

Iron

Aluminium

28. Age of fishes was known as __.

Devonian

Ordovician

Crustaceous

Silurian

29. The metal present in the chlorophyll is __.

Calcium

Aluminium

Zinc

Magnesium

30. The important sugar in honey is __.

Lactose

Fructose

Maltose

Sucrose

31. The number of Chromosomes in the human gene is __.

23

48

46

24

32. Viticulture is related with __.

Grapes

Pine Apple

Orange

Strawberry

33. The acid present in Vinegar is

Citric Acid

Acetic Acid

Oxalic Acid

Malic Acid

34. The longest and largest bone in the human body is __.

Spinal Cord

Humerus

Fibula

Femur

35. The average weight of the human brain is __.

1,500 grams

1,200 grams

1,400 grams

,300 grams

36. The largest organ in the human body is __.

Gland

Bone

Skin

Liver

37. Which type of lens is used to correct myopia?

Convex lens

Concave lens

Biconcave lens

Biconvex lens

38. There are several levels of protein structure, the most complex of which is

Primary

Secondary

Tertiary

Quaternary

39. Animals store glucose in the form of

Amylose

Glycogen

Glycerol

Guanine

40. The globular shape of a protein is called the

Primary structure

Secondary structure

Tertiary structure

Quaternary structure

41. What happens during a hydrolysis reaction?

Protein coils into its secondary structure

The bond between two subunits of a macromolecule is broken

Saturated fats become unsaturated

A bond is formed between two subunits of a macromolecule

42. Molecules that have the same chemical formula but have different molecular structures are called

Isotopes

Ions

Structural isotopes

Isomers

43. Ordinary table salt is sodium chloride. What is baking soda?

Potassium chloride

Potassium carbonate

Potassium hydroxide

Sodium bicarbonate

44. Movement of cell against concentration gradient is called

Osmosis

Active transport

Diffusion

Passive transport

45. Plants absorb dissolved nitrates from soil and convert them into

Free nitrogen

Urea

Ammonia

Proteins

46. Nucleus, the genetic material containing rounded body in each cell, was first discovered in 1831 by

Robert Hooke

Robert Brown

Rudolf Virchow

Theodore Schwann

47. .A resting person usually has a pulse rate between

65-72

72-80

62-75

72-74

48. The first heart Transplantation in India was in the Year __.

3rd August 1994

13th August 1994

3rd September 1994

13th September 1994

49. Which one do you like?

Cornea

Choroid

Retina

Iris

50. Yeast are used to make wine and beer this is because

It respire aerobically which breaks down glucose producing alcohol.

It respire in the absence of oxygen which breaks down glucose into alcohol.

It produces alcohol without breaking down glucose.

It is multi celled organism and produces alcohol .

Daily Updates Mock Test 64

1. Oxygen transports to all parts of the body through haemoglobin. Haemoglobin presents in

2.

What first name or nickname would you like us to use?

2. Most of the red, blue and purple colours of plants are due to a pigment called

3. The ph value of human blood is__?

4. Plants are killed in winter by frost

5. Organic Substances which, in very small amounts, control growth and development called

6. On which of the following plants did Gregor Mendal perform his classical experiment?

7. Poison glands of snakes are homologous to

8. In the cell the food (glucose) is broken down into

9. Muscles cramps occur after heavy exercise this is because accumulation of

10. During breathing the unwanted particles such as smoke,dust,pollen etc get trapped in

11. At rest adult person breathes in and out

12. Blood transport substances like digested food from

13. Ptyalin is an enzyme produced in the

15. Consider the following statements (1) Pulmonary artery carries blood from the heart .It carries carbon dioxide rich blood to the lungs. (2) Pulmonary vein carries oxygen rich blood from the lungs to the heart. Which of the above statement is correct?

16. Part of eye used during eye donation is –

17. Image of object is formed on which part of eye –

18. In the retina of eye cells present for colour differentiation –

19. Function of Iris is –

20. Colour of skin depend on –

21. Thickest layer of skin is found on –

22. Largest organ of human body is –

23. Upper most layer of skin is called –

24. The hardest part of human body is –

25. Which part of human brain is affected by alcohol?

26. The rarest blood group is __.

27. The metal present in the haemoglobin is __ .

28. Age of fishes was known as __.

29. The metal present in the chlorophyll is __.

30. The important sugar in honey is __.

31. The number of Chromosomes in the human gene is __.

32. Viticulture is related with __.

33. The acid present in Vinegar is

34. The longest and largest bone in the human body is __.

35. The average weight of the human brain is __.

36. The largest organ in the human body is __.

37. Which type of lens is used to correct myopia?

38. There are several levels of protein structure, the most complex of which is

39. Animals store glucose in the form of

40. The globular shape of a protein is called the

41. What happens during a hydrolysis reaction?

42. Molecules that have the same chemical formula but have different molecular structures are called

43. Ordinary table salt is sodium chloride. What is baking soda?

44. Movement of cell against concentration gradient is called

45. Plants absorb dissolved nitrates from soil and convert them into

46. Nucleus, the genetic material containing rounded body in each cell, was first discovered in 1831 by

47. .A resting person usually has a pulse rate between

48. The first heart Transplantation in India was in the Year __.

49. Which one do you like?

50. Yeast are used to make wine and beer this is because