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PMT Preparation.

Description: Online Test Papers and Notes for PMT Preparation, Biology.PMT, AIPMT, Medical Entrance, Medical Exam, Biology Entrance, Biology Exam
Number of Questions: 25
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Tags: PMT Preparation Biology.PMT AIPMT Medical Entrance Medical Exam Biology Entrance Biology Exam Permutation Permutations Trigonometric Equations
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The science of relationships between organisms and their environment is called ___________.

  1. geography

  2. gerontology

  3. ecology

  4. epharmony


Correct Option: C

Autoecology deals with the relationship of an organism with its environment, whereas synecology deals with

  1. microbial ecology

  2. ecosystem ecology

  3. terrestrial ecology

  4. productive ecology


Correct Option: B

Morphological and physiological adaptations are best developed in

  1. mesophytes

  2. hydrophytes

  3. xerophytes

  4. halophytes


Correct Option: C

Common angiospermic parasites include

  1. santalam, rafflesia, striga

  2. orobanche, striga, cuscuta

  3. rhizophora, raffesia, striga

  4. monotrapa, rhizophora, striga


Correct Option: B

What would be the effect on systolic pressure, if the walls of arteries are rigid and less elastic?

  1. No effect on systolic pressure

  2. Higher systolic pressure

  3. Lower systolic pressure

  4. Higher diastolic pressure


Correct Option: B

Which of the following factors is included in an ecological niche of the organism?

  1. Habitat of the organism

  2. Breeding behavior of the organism

  3. Status of the organism

  4. All of the above


Correct Option: D

Viscosity of blood is

  1. five times more than that of water

  2. ten times more than that of water

  3. exactly equal to that of water

  4. two times less than that of water


Correct Option: A

In comparison to veins, arteries are smaller and have

  1. thinner walls

  2. thicker walls

  3. similar walls

  4. harder walls


Correct Option: A

The competition among the organisms of same species, where the needs are identical, is of

  1. interspecific type

  2. non-dependent type

  3. intraspecific type

  4. symbiotic type


Correct Option: C

The route of blood in human body is through

  1. blood vessels to lungs to heart to body

  2. blood vessels to heart to lungs to body

  3. heart to lungs to heart to body

  4. heart to blood vessels to lungs to body


Correct Option: C

Edaphic factors of abiotic community pertains to

  1. water

  2. air

  3. soil

  4. temperature


Correct Option: C

Hydathodes are mainly possessed by

  1. hydrophytes

  2. xerophytes and hygrophytes

  3. hydrophyte and mesophyte

  4. hygrophytes


Correct Option: D

Epiphytes grow on other trees to derive

  1. food and shelter

  2. shelter and support

  3. support and food

  4. food and moisture


Correct Option: D

Maximum biological activities occur in ________ of the soil.

  1. horizon A

  2. horizon B

  3. horizon O

  4. horizon C


Correct Option: A

Plant anchored part of earth's crust is called

  1. soil

  2. rock

  3. lithosphere

  4. crust


Correct Option: A

Which type of water is available to plants for use?

  1. Gravitational water

  2. Hygroscopic water

  3. Combined water

  4. Capillary water


Correct Option: D

The right side of the human heart contains the blood

  1. that has to pass through the body tissues

  2. that had passed through the tissues of body

  3. that had passed through the lungs

  4. Both a and b


Correct Option: D

Higher temperature and lower rainfall is the effect of

  1. soil erosion

  2. deforestation

  3. Both a and b

  4. None of the above


Correct Option: C

During ventricular contraction, chordae tendineae supports

  1. tricuspid valve

  2. bicuspid valve

  3. Both 1 and 2

  4. None of the above


Correct Option: C

Decomposition of all organic matter of humus is called

  1. carbonification

  2. ammonification

  3. putrifaction

  4. purification


Correct Option: C

Which of the following gases does not cause green house effect?

  1. Methane

  2. Nitrous oxide

  3. Sulphur trioxide

  4. Carbon dioxide


Correct Option: C

Santalum is a/an

  1. symbiont

  2. total parasite

  3. obligate parasite

  4. partial parasite


Correct Option: D

Weight of which of the following plants may cause young twigs to fall off?

  1. Mosses and members of Bromeliaceae family

  2. Members of Azadirachta family

  3. Members of Poaceae family

  4. All of the above


Correct Option: A

To which category of pesticides does DDT belong?

  1. Organochlorines

  2. Organophosphates

  3. Carbamates

  4. Pyrethroids


Correct Option: A

Legitimately, an average garden soil consists of

  1. 70% minerals, 10% water and 10% organic matter

  2. 50% minerals, 40% organic matter, 10% water and 20% H2O

  3. 40% minerals, 25% water, 10% organic matter and 25% air

  4. Any of the above


Correct Option: C
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