Daily Updates Mock Test 64
MOCK TEST 64
SYLLABUS : BIOLOGY
TIME : 20 MINUTES FULL MARKS : 50*5 = 250
EACH QUESTION CARRIES 5 MARKS , -VE MARKING = - 1 / WRONG ANSWER
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- 1.
The ph value of human blood is__?
- A.
7.4
- B.
7.2
- C.
0
- D.
8.6
Correct Answer
A. 7.4 -
- 2.
The rarest blood group is __.
- A.
O negative
- B.
B negative
- C.
AB positive
- D.
AB negative
Correct Answer
D. AB negative -
- 3.
The metal present in the haemoglobin is __ .
- A.
Copper
- B.
Calcium
- C.
Iron
- D.
Aluminium
Correct Answer
C. Iron -
- 4.
Age of fishes was known as __.
- A.
Devonian
- B.
Ordovician
- C.
Crustaceous
- D.
Silurian
Correct Answer
A. Devonian -
- 5.
The metal present in the chlorophyll is __.
- A.
Calcium
- B.
Aluminium
- C.
Zinc
- D.
Magnesium
Correct Answer
D. Magnesium -
- 6.
The important sugar in honey is __.
- A.
Lactose
- B.
Fructose
- C.
Maltose
- D.
Sucrose
Correct Answer
B. Fructose -
- 7.
The number of Chromosomes in the human gene is __.
- A.
23
- B.
48
- C.
46
- D.
24
Correct Answer
C. 46 -
- 8.
Viticulture is related with __.
- A.
Grapes
- B.
Pine Apple
- C.
Orange
- D.
Strawberry
Correct Answer
A. Grapes -
- 9.
The acid present in Vinegar is
- A.
Citric Acid
- B.
Acetic Acid
- C.
Oxalic Acid
- D.
Malic Acid
Correct Answer
B. Acetic Acid -
- 10.
The longest and largest bone in the human body is __.
- A.
Spinal Cord
- B.
Humerus
- C.
Fibula
- D.
Femur
Correct Answer
D. Femur -
- 11.
The average weight of the human brain is __.
- A.
1,500 grams
- B.
1,200 grams
- C.
1,400 grams
- D.
,300 grams
Correct Answer
C. 1,400 grams -
- 12.
Which part of human brain is affected by alcohol?
- A.
Cerebrum
- B.
Cerebellum
- C.
Medulla Oblongata
- D.
Corpus Callosum
Correct Answer
B. Cerebellum -
- 13.
The first heart Transplantation in India was in the Year __.
- A.
3rd August 1994
- B.
13th August 1994
- C.
3rd September 1994
- D.
13th September 1994
Correct Answer
A. 3rd August 1994 -
- 14.
The largest organ in the human body is __.
- A.
Gland
- B.
Bone
- C.
Skin
- D.
Liver
Correct Answer
C. Skin -
- 15.
Which type of lens is used to correct myopia?
- A.
Convex lens
- B.
Concave lens
- C.
Biconcave lens
- D.
Biconvex lens
Correct Answer
B. Concave lens -
- 16.
There are several levels of protein structure, the most complex of which is
- A.
primary
- B.
Secondary
- C.
Tertiary
- D.
quaternary
Correct Answer
D. quaternary -
- 17.
Animals store glucose in the form of
- A.
amylose
- B.
Glycogen
- C.
Glycerol
- D.
Guanine
Correct Answer
B. Glycogen -
- 18.
The globular shape of a protein is called the
- A.
Primary structure
- B.
Secondary structure
- C.
Tertiary structure
- D.
Quaternary structure
Correct Answer
C. Tertiary structure -
- 19.
What happens during a hydrolysis reaction?
- A.
Protein coils into its secondary structure
- B.
The bond between two subunits of a macromolecule is broken
- C.
Saturated fats become unsaturated
- D.
a bond is formed between two subunits of a macromolecule
Correct Answer
B. The bond between two subunits of a macromolecule is broken -
- 20.
Molecules that have the same chemical formula but have different molecular structures are called
- A.
Isotopes
- B.
ions
- C.
Structural isotopes
- D.
Isomers
Correct Answer
D. Isomers -
- 21.
Ordinary table salt is sodium chloride. What is baking soda?
- A.
Potassium chloride
- B.
Potassium carbonate
- C.
Potassium hydroxide
- D.
Sodium bicarbonate
Correct Answer
D. Sodium bicarbonate -
- 22.
Movement of cell against concentration gradient is called
- A.
Osmosis
- B.
Active transport
- C.
Diffusion
- D.
Passive transport
Correct Answer
B. Active transport -
- 23.
Plants absorb dissolved nitrates from soil and convert them into
- A.
free nitrogen
- B.
Urea
- C.
Ammonia
- D.
Proteins
Correct Answer
A. free nitrogen -
- 24.
Nucleus, the genetic material containing rounded body in each cell, was first discovered in 1831 by
- A.
Robert Hooke
- B.
Robert Brown
- C.
Rudolf Virchow
- D.
Theodore Schwann
Correct Answer
B. Robert Brown -
- 25.
Most of the red, blue and purple colours of plants are due to a pigment called
- A.
Anthocyanin
- B.
Carotene
- C.
Chlorophyll
- D.
Xanthophylls
Correct Answer
A. Anthocyanin -
- 26.
Ptyalin is an enzyme produced in the
- A.
Salivary glands
- B.
Pituitary glands
- C.
Thyroid glands
- D.
Pancreas
Correct Answer
A. Salivary glands -
- 27.
Plants are killed in winter by frost
- A.
Because of desiccation and mechanical damage to the tissues
- B.
Because no photosynthesis takes place at such low temperature
- C.
Because respiration ceases at such low temperature
- D.
Because there is no transpiration
Correct Answer
A. Because of desiccation and mechanical damage to the tissues -
- 28.
Organic Substances which, in very small amounts, control growth and development called
- A.
Vitamins
- B.
. hormones
- C.
Enzymes
- D.
None of the above
Correct Answer
B. . hormones -
- 29.
On which of the following plants did Gregor Mendal perform his classical experiment?
- A.
Gram
- B.
Maize
- C.
Pea
- D.
Wheat
Correct Answer
C. Pea -
- 30.
Poison glands of snakes are homologous to
- A.
Electric organs of fishes
- B.
stings of rays
- C.
Sebaceous glands of mammals
- D.
Salivary glands of vertebrates
Correct Answer
D. Salivary glands of vertebrates -
- 31.
In the cell the food (glucose) is broken down into
- A.
Oxygen, water and energy
- B.
Nitrogen and water
- C.
Carbon dioxide, water and energy
- D.
Carbon dioxide only
Correct Answer
C. Carbon dioxide, water and energy -
- 32.
Yeast are used to make wine and beer this is because
- A.
It respire aerobically which breaks down glucose producing alcohol.
- B.
It respire in the absence of oxygen which breaks down glucose into alcohol.
- C.
It produces alcohol without breaking down glucose.
- D.
It is multi celled organism and produces alcohol .
Correct Answer
D. It is multi celled organism and produces alcohol . -
- 33.
Muscles cramps occur after heavy exercise this is because accumulation of
- A.
Amino acids
- B.
Fatty acids
- C.
Carbon dioxide
- D.
Lactic acid
Correct Answer
D. Lactic acid -
- 34.
During breathing the unwanted particles such as smoke,dust,pollen etc get trapped in
- A.
Trachea
- B.
Pharynx
- C.
Nasal cavity
- D.
Lungs
Correct Answer
C. Nasal cavity -
- 35.
At rest adult person breathes in and out
- A.
19-22 times in a minute
- B.
25-30 times in a minute
- C.
15-18 times in a minute
- D.
30-35 times in a minute
Correct Answer
C. 15-18 times in a minute -
- 36.
Blood transport substances like digested food from
- A.
Small intestine
- B.
Large intestine
- C.
Stomach
- D.
Pancreas
Correct Answer
A. Small intestine -
- 37.
Oxygen transports to all parts of the body through haemoglobin. Haemoglobin presents in
- A.
Plasma
- B.
White blood cells
- C.
Platelets
- D.
Red blood cells
Correct Answer
D. Red blood cells -
- 38.
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?
- A.
1 and 2
- B.
2 and 3
- C.
3 and 4
- D.
1 and 4
Correct Answer
B. 2 and 3 -
- 39.
.A resting person usually has a pulse rate between
- A.
65-72
- B.
72-80
- C.
62-75
- D.
72-74
Correct Answer
B. 72-80 -
- 40.
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?
- A.
1 only
- B.
2 only
- C.
Both 1 and 2
- D.
Neither 1 nor 2
Correct Answer
C. Both 1 and 2 -
- 41.
Part of eye used during eye donation is –
- A.
Retina
- B.
Cornea
- C.
Eye hens
- D.
Complet eye
Correct Answer
B. Cornea -
- 42.
Which one do you like?
- A.
Cornea
- B.
Choroid
- C.
Retina
- D.
Iris
Correct Answer
D. Iris -
- 43.
Image of object is formed on which part of eye –
- A.
Cornea
- B.
Choroid
- C.
Retina
- D.
Iris
Correct Answer
C. Retina -
- 44.
In the retina of eye cells present for colour differentiation –
- A.
Cones
- B.
Rods
- C.
Cornea
- D.
Choroid
Correct Answer
A. Cones -
- 45.
Function of Iris is –
- A.
Formation of image
- B.
Protection of eye lens
- C.
To regulate the size of pupil
- D.
To make the image in inverted condition
Correct Answer
C. To regulate the size of pupil -
- 46.
Colour of skin depend on –
- A.
Enzyme
- B.
Harmones
- C.
Epidermis
- D.
Melanin
Correct Answer
D. Melanin -
- 47.
Thickest layer of skin is found on –
- A.
Sole
- B.
Palm
- C.
Thigh
- D.
Head
Correct Answer
A. Sole -
- 48.
Largest organ of human body is –
- A.
Brain
- B.
Heart
- C.
Skin
- D.
Liver
Correct Answer
C. Skin -
- 49.
Upper most layer of skin is called –
- A.
Epidermis
- B.
Protodermis
- C.
Dermis
- D.
None of these
Correct Answer
A. Epidermis -
- 50.
The hardest part of human body is –
- A.
Bone
- B.
Palaque
- C.
Enamel
- D.
Skull
Correct Answer
C. Enamel -
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