1- The structure of DNA was elaborated by Watson and Crick in:
A. 1909
B. 1923
C. 1945
D. 1953
View Answer
Answer : D. 1953
Description
2- In a DNA molecule, the rule for base pairing is:
A. Adenine always binds with thymine and cytosine with guanine
B. Adenine always binds with cytosine and thymine with guanine
C. Adenine always binds with guanine and cytosine with thymine
D. Adenine always binds with uracil and cytosine with guanine
View Answer
Answer : A. Adenine always binds with thymine and cytosine with guanine
Description
3- Man belongs to the family:
A. Felidae
B. Hominidae
C. Mammalia
D. Primataceae
View Answer
Answer : B. Hominidae
Description
4- Deficiency of vitamin C in the human body causes a deficiency disease called:
A. Beriberi
B. Night blindness
C. Rickets
D. Scurvy
View Answer
Answer : D. Scurvy
Description
5- To measure the specific gravity of milk, the instrument used is:
A. Hygrometer
B. Barometer
C. Lactometer
D. Hydrometer
View Answer
Answer : C. Lactometer
Description
6- One of the fundamental characteristics of living organisms is called as:
A. Excretion
B. Metabolism
C. Digestion
D. Photosynthesis
View Answer
Answer : B. Metabolism
Description
7- Plants growing on other plants are called as:
A. Epiphytes
B. Pathogens
C. Parasites
D. Saprophytes
View Answer
Answer : A. Epiphytes
Description
8- As per eating habit, squirrels are:
A. Frugivorous (Fruit eater)
B. Herbivorous (Plant eater)
C. Carnivorous (Animal eater)
D. Omnivorous (Plants + animal eater)
View Answer
Answer : D. Omnivorous (Plants + animal eater)
Description
9- Water loss from leaves through stomata is called as:
A. Evaporation
B. Transpiration
C. Evapo-Transpiration
D. None of these
View Answer
Answer : B. Transpiration
Description
10- The study of how plants and animals interact with one another and with the non-living environment is called:
A. Ecology
B. Sociology
C. Ecosystem
D. None of these
View Answer
Answer : A. Ecology
Description
11- Nervous system in human body consists of:
A. Brain and spinal cord
B. Brain and nerves
C. Spinal cord and nerves
D. Brain, spinal cord and nerves
View Answer
Answer : D. Brain, spinal cord and nerves
Description
12- In human eye, the light sensitive layer made of specialized nerve cells, the rods and cones is called as:
A. The pupil
B. The cornea
C. The retina
D. The sclera
View Answer
Answer : C. The retina
Description
13- Erythrocytes are also called as:
A. Plasma
B. Platelets
C. Red blood cells
D. White blood cells
View Answer
Answer : C. Red blood cells
Description
14- A scientific method will seek to explain natural events and make useful predictions in:
A. A haphazard manner
B. A manner designed to fit the theorist’s or experimenter’s bias
C. A consistently reproducible manner
D. None of these
View Answer
Answer : C. A consistently reproducible manner
Description
15- "Truth is sought for its own sake and those who are engaged upon the quest for anything for its own sake are not interested in other things. Finding the truth is difficult and the road to it is rough." This was stated by which key figure in the development of scientific method in the 11th century?
A. Aristotle
B. Ibn al-Haytham
C. Plato
D. None of these
View Answer
Answer : B. Ibn al-Haytham
Description
16- Abu Abdullah Muhammad Bin Musa al-Khwarizmi is famous for writing the "Kitab al-Jabr Wal Muqabala" in which he:
A. Presented the first systematic solution of linear and quadratic equations
B. Delineated methods of oppression and competition
C. Wrote the laws of optics
D. None of these
View Answer
Answer : A. Presented the first systematic solution of linear and quadratic equations
Description
17- Galileo Galilei was persecuted by the Catholic Church for suspicion of holding the view that:
A. The Sun revolves around the Moon
B. Objects of different masses fell at the same velocity
C. The Earth was probably not the centre of the universe
D. None of these
View Answer
Answer : C. The Earth was probably not the centre of the universe
Description
18- The proliferation of education and dissemination of knowledge in the last two centuries has led to faith in science that:
A. Causes human beings to turn on other human beings
B. Is the main cause of poverty and war
C. Leads to oppression of education
D. None of these
View Answer
Answer : D. None of these
Description
19- Science attempts to:
A. Explain how the universe works by discovering the laws regulating everything around us
B. Use discovered laws to engineer new devices
C. Both A & B
D. None of these
View Answer
Answer : C. Both A & B
Description
20- Ibn Zuhr, the author of Al-Taisir, is known as:
