Biology- Questions and Answers 13
396. The nearest ancestor of man is:(a) Peking man (b) Java Man
(c) Cro-Magnon man (d) Neanderthal man
Answer: (d)
397. H1N1 Virus is associated with:
(a) Chikungunya (b) Swine Flu
(c) Avian Flu (d) Dengue Fever
Answer: (b)
398. Birds can able to recognize their home through:
(a) Memory (b) Smell
(c) Eyesight (d) Orientation of Magnetic field
Answer: (d)
399. World Wild Life Week is observed on:
(a) First week of September (b) First week of October
(c) First week of November (d) First week of July
Answer: (b)
400. Red Data Book provides data on:
(a) Red flowered plants (b) Red coloured fish
(c) Endangered plants and animals (d) Red coloured insects
Answer: (c)
401. Ailurophobia is the unnecessary fear of:
(a) Rat (b) Insects
(c) Cat (d) Dog
Answer: (c)
402. Pasteurisation of milk is:
(a) Heating to 62⁰C (b) Heating to 100⁰C
(c) Cooling to -4⁰C (d) Cooling to 0⁰C
Answer: (a)
403. Which of the following is a biologically incompatible marriage?
(a) Rh+man and Rh- Woman
(b) Rh-man and Rh+ woman
(c) Rh+man and Rh+ woman
(d) Rh-man and Rh- Woman
Answer: (a)
404. Who is called as ‘the father of first aid’?
(a) Pravas (b) Hippocrates
(c) Lug Mongier (d) Dr.Ismark
Answer: (d)
405. AIDS virus has:
(a) Single-stranded DNA (b) Double-stranded DNA
(c) Single-stranded RNA (d) Double-stranded RNA
Answer: (c)
406. Colour blindness can be removed by using:
(a) Convex lens (b) Concave lens
(c) Cylindrical lens (d) None of these
Answer: (d)
407. The vector that transmits Chikungunya:
(a) Anopheles (b) Aedes aegypti
(c) Mansonoides (d) None of these
Answer: (b)
408. The scientist who discovered the virus causing Chikun Guniya:
(a) Louis Pasteur (b) William Kirk
(c) Christian Bernard (d) W.H.R. Lumsden
Answer: (d)
409. World AIDS Day has been observed since:
(a) 1991 (b) 1986
(c) 1982 (d) 1988
Answer: (d)
410. Energy to carry out any action of the life process is obtained from:
(a) Adenosine triphosphate (b) Adenosine diphosphate
(c) Guanosine diphosphate (d) Guanosine triphosphate
Answer: (a)
411. The vast portion of the body’s weight is made up of:
(a) Bones (b) Water
(c) Organs (d) Skins, Tissues
Answer: (b)
412. Who created the world’s first implantable artificial kidney?
(a) Arnold Lande (b) Shuvo Roy
(c) Gothen Burg (d) Plax Planck
Answer: (b)
413. While sleeping, a person’s blood pressure ____
(a) increases (b) decreases
(c) no difference (d) zero
Answer: (b)
414. The organ which is primarily concerned with immunity:
(a) Kidney (b) Liver
(c) Lymphatic tissue (d) Thyroid
Answer: (c)
415. Which disease causes the death of the largest number of children in the world?
(a) Malaria (b) Pneumonia
(c) Dengue fever (d) Viral fever
Answer: (b)
416. The liquid that gives softness to skin and hair:
(a) Sebum (b) Ptyalin
(c) Melanin (d) Ribosome
Answer: (a)
417. The cell which is affected by Human Immuno Virus:
(a) Monocyte (b) Erythrocyte
(c) Lymphocyte (d) None of these
Answer: (c)
418. Which bird is called ‘Stupid Bird’?
(a) Emu (b) Koel
(c) Duck (d) Ostrich
Answer: (c)
419. The important contractile proteins in a muscle are:
(a) Actin and Myosin
(b) Actin and Tropomyosin
(c) Myosin and Troponin
(d) Troponin and Tropomyosin
Answer: (a)
420. Which of the following organelles is called ‘atom bombs’?
(a) Microtubules (b) Nucleolus
(c) Golgi bodies (d) Lysosome
Answer: (d)
421. The insufficient blood supply in the human body is referred to as:
(a) Ischaemia (b) Hyperemia
(c) Hemostasis (d) Haemorrhage
Answer: (a)
422. Which part of the body vibrates when a mosquito makes noise?
(a) Vocal cord (b) Wing
(c) Leg (d) Horn
Answer: (b)
423. The dance of bee is in the shape of which number?
(a) 6 (b) 9
(c) 8 (d) 3
Answer: (c)
424. DOT treatment is related to:
(a) Leprosy (b) Tuberculosis
(c) AIDS (d) Cancer
Answer: (b)
425. Pouring kerosene oil on stagnant water reduces mosquito problem because of it:
(a) is highly toxic to the mosquitoes
(b) repels the mosquitoes
(c) interrupts the breathing of larvae
(d) interrupts the mating of adults
Answer: (c)
426. AA hereditary disease in which the blood does not clot and the affected
a person may bleed to death even from a small cut, is called:
(a) Leukaemia (b) Haemophilia
(c) Chikun Guniya (d) Anaemia
Answer: (b)
427. Pepsin, a digestive enzyme, is produced in the:
(a) Small intestine (b) Liver
(c) Kidney (d) Stomach
Answer: (d)
428. Palak leaves rich in:
(a) Vitamin A (b) Iron
(c) Carotin (d) Cystine
Answer: (b)
429. Which one of the following was not proposed by Charles Darwin?
(a) Survival of the fittest
(b) Natural selection
(c) Inheritance of acquired characters
(d) Struggle for existence
Answer: (c)
430. Angiology is the study of:
(a) blood vessels (b) Heart
(c) Ageing (d) Nervous system
Answer: (a)
431. The heartbeat rate of elephant per minute:
(a) 120 (b) 140
(c) 72 (d) 25
Answer: (d)
432. Nitrogen base found in RNA:
(a) Thymine (b) Guanyin
(c) Uracil (d) Adinin
Answer: (c)
433. Hypoxia is a phenomenon that occurs in:
(a) Stratosphere (b) Human body
(c) Aquatic environment (d) None of these
Answer: (c)
434. Fire fly gives us cold light by virtue of its:
(a) Fluorescence (b) Phosphorescence
(c) Effervescence (d) Chemiluminescence
Answer: (d)
PSC Solved Question Papers ---> Click here
PSC TODAY's EXAM RESULTS ---> Click here
PSC EXAM PROGRAMME -> Click here
CURRENT AFFAIRS QUESTIONS -> Click here
PSC Degree Level Questions & Answers - Click here
PSC 10th, +2 Level Questions & Answers - Click here
PSC RANK LISTS / SHORTLISTS -> Click here
TEACHING APTITUDE TEST (K-TET, C-TET,, etc.) ---> Click here* SCERT KERALA TEXTBOOKS FOR CLASS II, IV, VI, VIII, IX, X, XII – FREE DOWNLOAD ---> Click here
* NCERT & CBSE TEXTBOOKS FOR ALL CLASSES – FREE DOWNLOAD ---> Click here
* SCERT TEXTBOOKS SOLUTIONS FOR ALL CLASSES ---> Click here
* NCERT & CBSE TEXTBOOKS SOLUTIONS FOR ALL CLASSES ---> Click here
0 Comments