Life Processes in Animals Test

Result

Life Processes in Animals Test - 3

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Weekly Quiz Competition

Question 1
1 / -0

Digestion of which of the following constituent of food is most complex?

A
Lactose

B
Glucose

C
Fructose

D
Starch
Question 2
1 / -0

Which of the following food is digested easily in the human body?

A
Sucrose

B
Glucose

C
Starch

D
Cellulose
Question 3
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What is the main function of small intestine in human body?

A
Only digestion

B
Only absorption

C
Assimilation

D
Both digestion and absorption

Solution

Small intestine functions in digestion and absorption of food. Digestion of all nutrients is completed in the small intestine. After this, absorption occurs with the help of structures called villi.
Question 4
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Which of the following organ stores the faecal matter in the body?

A
Anus

B
Large intestine

C
Rectum

D
Appendix

Solution

The rectum acts as a temporary storage site for faeces. Faeces are passed out through the anus.
Question 5
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The carbohydrates taken up by the animals are complex as shown in figure `A` and are broken down into smaller molecules like `B`. What is this process called?

A
Digestion

B
respiration

C
Excretion

D
Nutrition
Question 6
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What is the correct sequence of the various structures of human alimentary canal?

A
Oesophagus stomach intestine rectum

B
Stomach oesophagus intestine rectum

C
Rectum stomach oesophagus intestine

D
Oesophagus stomach rectum intestine
Question 7
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What does the inner lining of the stomach secrete?
(A) Mucous (B) Hydrochloric acid
(C) Gastric juice (D) Trypsin

A
(A) only

B
(B) and (C)

C
(A), (B) and (C)

D
(A), (B), (C) and (D)
Question 8
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The pancreatic juice produced by pancreas helps in the digestion of

A
carbohydrates, proteins and vitamins

B
fats, carbohydrates and proteins

C
fats, vitamins and proteins

D
proteins and fats

Solution

Option (2)
Pancreatic enzymes break down food in the small intestine. When food enters the duodenum, it is deluged with pancreatic juice, which is defined as an alkaline secretion of the pancreas containing enzymes that aid in the digestion of proteins, carbohydrates and fats.
Question 9
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The steps involved in the process of nutrition are

What are A and B?

A
Digestion and assimilation

B
Assimilation and respiration

C
Respiration and excretion

D
Assimilation and digestion

Question 10

1 / -0

Match the food components with the breakdown products of digestion.

Food component (complex forms)	Simpler forms
1. Carbohydrates 2. Proteins 3. Fats	A. Sugar B. Fatty acid C. Amino acids D. Glycerol

1 - (A), 2 - (C), 3 - (B) and (D)

1 - (C), 2 - (A), 3 - (B) and (D)

1 - (A), 2 - (C) and (D), 3 - (B)

1 - (A) and (D), 2 - (C), 3 - (B)

Question 11
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What is the incorrect match of the digestive gland and digestive juice produced by them?

A
Liver - bile juice

B
Oral cavity - saliva

C
Pancreas - mucous

D
Stomach - gastric juice
Question 12
1 / -0

Which of the following disease is caused by the deficiency of vitamin A?

A
Beri-Beri

B
Rheumatism

C
Night Blindness

D
Scurvy

Solution

Option (3)
Causes of Vitamin A deficiency are inadequate intake, fat malabsorption, or liver disorders. Deficiency impairs immunity and hematopoiesis and causes rashes and typical ocular effects (Ex: Xerophthalmia, night blindness).
So, night blindness is the correct answer.
Question 13
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Why are vitamins said to be the essential component of balanced diet?

A
Vitamins provide energy for doing work.

B
Vitamins are rich source of fibre.

C
Vitamins are the substances required for normal working of the body.

D
Vitamins give variety to the food
Question 14
1 / -0

What is the mode of nutrition in Amoeba known as?

A
Saprotrophic

B
Holozoic

C
Parasitic

D
Ingestion

Solution

Nutrition in amoeba is holozoic, in which solid food particles are ingested, which are then acted upon by enzymes and digested.
Question 15
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Which of the following statements is correct about respiration?

A
It is a physical process of exchange of gases.

B
It occurs inside the cells.

C
It does not lead to release of energy in any form.

D
It differs from organism to organism.
Question 16
1 / -0

What is the path of air through the respiratory tract?

A
^{_Pharynx_Trachea_Bronchi_Bronchiole_Alveoli}

B
^{_Bronchi_Alveoli_Trachea_Pharynx_Bronchiole}

C
^{_Alveoli_Trachea_Bronchi_Bronchiole_Pharynx}

D
^{_Trachea_Pharynx_Bronchi_Bronchiole_Alveoli}

Solution

Air enters the nostrils, passes through the nasopharynx, the oral pharynx, through the glottis, into the trachea, into the right and left bronchi, which branch and rebranch into bronchioles, each of which terminates in a cluster of alveoli.
Question 17
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In the following figure, which compounds are formed as A and B?

A

A – haemoglobin
B – oxyhaemoglobin

B

A – oxyhaemoglobin
B – haemoglobin

C

A – oxyhaemoglobin
B – carbaminohaemoglobin

D

A – carboxyhaemoglobin
B – oxyhaemoglobin

Solution

Correct option is 3.
A – oxyhaemoglobin
B – carbaminohaemoglobin
Question 18
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What is the basic structural and functional unit of kidney?

A
Nephron

B
Bowman`s capsule

C
Urethra

D
Glomerulus

Solution

Option (1)
The nephron is the basic structural and functional unit of the kidney. Its chief function is to regulate the concentration of water and soluble substances like sodium salts by filtering the blood, reabsorbing what is needed and excreting the rest as urine.
Question 19
1 / -0

What is the path of urine from organ of formation to the organ of elimination out of body?

A
Kidney Ureter Urinary bladder Urethra

B
Kidney Urethra Urinary bladder Ureter

C
Kidney Urinary bladder Ureter Urethra

D
Kidney Urinary bladder Urethra Ureter
Question 20
1 / -0

Which of the following are the excretory products of human kidney?
1. Urea, ammonia
2. Carbon dioxide
3. Excess water and salts
4. Bile pigments

A
1 and 3

B
2 and 4

C
1 and 2

D
3 and 4