Life Process

National Talent Search Examination or NTSE scholastic aptitude test subject Life Process Sample paper with answer key for 2020 exam.

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Q1.

If a child is suffering from scurvy. Which kind of vitamins you suggest him to take?
        (A)  Calciferol                (B)  ascorbic acid          (C)      Retinol                   (D) Riboflavin

Q2.

Which enzyme is used in pancrease to digest fat
        (A)  Lipase                    (B)  Amylase                 (C)      Zymase                   (D) Trypsin

Q3.

In which part of alimentary canal does the digestion of food begin
        (A)  Large intestine        (B)  Small Intestine       (C)      Mouth                    (D) Stomach

Q4.

The largest salivary glands in human is
        (A)  parotid gland                                              (B)  sub lingual gland
        (C)  sub maxillary gland                                    (D)  none of these  

Q5.

How many molecule of pyruvic acid is formed completed oxidation of 1 molecule of glucose?
        (A)  2                            (B)  36                          (C)  38      (D)                          None of these

Q6.

Select the correct sequence of the steps of human nutrition :
        (A)  Ingestion → Digestion → Absorption → Assimilation → Egestion
        (B)  Ingestion → Digestion → Assimilation → Absorption → Egestion
        (C)  Ingestion → Assimilation → Digestion → Absorption → Egestion
        (D)  Ingestion → Absorption → Digestion → Assimilation → Egestion

Q7.

In human blood group AB is
        (A)  universal receiver   (B)  universal donor      (C)  both a and b                            (D) none of these

Q8.

The protective membrane of heart is 
        (A)  pericardium           (B)  pleura                    (C)      menings                 (D) none of these

Q9.

Which one of the following does not contain any enzyme?
        (A)  Bile                        (B)  Gastric juice           (C)  Saliva      (D)                          Pancreatic Juice

Q10.

The phloem helps in translocation it refer to
        (A)  Transport of water                                      (B)      Transport of food
        (C)  Transport of mineral                                   (D)      Transport of oxygen

Q11.

The plant hormone related to cell division is  is:
        (A)  ethylene                 (B)  Thyroxine               (C)      Oestrogen               (D) Cytokinin

Q12.

Sphygmomanometer measure:
        (A)  Blood pressure       (B)  Pulse rate               (C)  Heart beat                              (D) Sugar level

Q13.

Which of the following is made in anaerobic respiration:
(A)  Ethyl alcohol and carbondioxide                 (B)  water and carbomdioxide
(C)  Glucose and water                                      (D)      Glycerol and ethanol

Q14.

Function of Lenticels in similar to
(A)  stomata                  (B)  roots                       (C)  stem      (D)                          leaves

Q15.

Uremia is a diseases related when the fuction of ….is affected
        (A)  excretory system                                         (B)      reproductive system
        (C)  respiratory system                                      (D)      circulatory system

Q16.

Development of muscle cramps during sudden activity is due to accumulation of
        (A)  Lactic acid              (B)  Lactose                   (C)      Lactogen                 (D) Lactulose      

Q17.

Which of the following is a component of only  Xylem?
        (A)  Vessels                   (B)  Tracheids               (C)  Fibres      (D)                          both a and b

Q18.

Which of these function is performed by kidney
        (A)  Regulation of blood pressure                       (B)      Filtration of blood
        (C)  Regulation of ions concentrations               (D)   all of these

Q19.

The following blood vessel does contain deoxygenated blood:
        (A)  Pulmonary Artery   (B)  Vena Cava              (C)      Hepatic vein           (D) all of these

Q20.

In amphibian there is intermixing of oxygenated blood and deoxygenated blood as they have
        (A)  Two chambered Heart                                 (B)  Three chambered heart
        (C)  Four chambered heart                                (D)  One chambered heart

Q21.

Which part of nephron deals with ultrfiltration
        (A)  ascending limb                                           (B)      Proximal convoluted tubule
        (C)  distil tubule                                                (D)      Collecting tubule

Q22.

Which of these disease comes under PEM
        (A)  Kwashiorkor           (B)  Marasmus              (C)      Rickets                   (D) both a and b

Q23.

Which scientist discovered “Tricarboxylic acid”?
        (A)  Kreb                       (B)  Watson and Crick   (C)      Sanger                   (D) Edison

Q24.

Glycolysis operates in
        (A) Golgi apparatus      (B) Mitochondria          (C)      Cytoplasm              (D) Ribosomes

Q25.

When heart go on rest.    
        (A) Never                                                          (B) While sleeping
        (C) Between two beats                                      (D) While doing yogasan

Q26.

Lacteal present in the villi of the small intestine:
(A) Help to absorb fatty acids and glycerol        (B)       Secrete enzymes for digestion
(C) Secrete hormones                                       (D) Help to absorb proteins

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