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Home » General Knowledge » Aptitude Test - 80
Hassan
1.Who proposed the idea of essential mineral nutrients of the plant?
A. Leonhart Fuchs
B. Aristotle
C. Arnon and Stout
D. Leonhart Fuchs
2.Name the technique which involves the growth of a plant by suspending their roots in the air?
A. Diffusion
B. Osmosis
C. Hydroponics
D. Diffusion
3.Which of the following is a mineral nutrient?
A. Carbon
B. Nitrogen
C. Hydrogen
D. Carbon
4.Which of the following element is needed by plants in a very small quantity?
A. Phosphorus
B. Carbon
C. Sodium
D. Phosphorus
5. Name the mineral element which is required by a plant in a great amount?
A. Calcium
B. Cobalt
C. Phosphorus
D. Calcium
6.Deficiency of which mineral causes dark green coloration of the leaves?
A. Phosphorus
B. Potassium
C. Nitrogen
D. Phosphorus
7.Which of the following is deficiency symptom of magnesium?
A. Chlorosis in young leaves
B. Chlorosis in older leaves
C. Spindly and woody stem
D. Chlorosis in young leaves
8.Which of the following class of enzyme does not need manganese for its efficient activity?
A. Dehydrogenase
B. Decarboxylases
C. Kinases
D. Dehydrogenase
9.The study of living organisms with the environment is known as?
A. Ecosystem
B. Environment
C. Community
D. Ecosystem
10.Which of the following describe the study of group of the population?
A. Synecology
B. Autecology
C. Biomes
D. Synecology
11.What is the climate pattern in areas of limited size or immediate surroundings of plant and animal?
A. Mixed climate
B. Macroclimate
C. Microclimate
D. Mixed climate
12.Which of the following climatic zone lies around 40°- 60° latitude?
A. Tropical
B. Subtropical
C. Arctic
D. Tropical
13.A relatively dense layer of band which is found in the thermosphere is known as?
A. Troposphere
B. Mesosphere
C. Stratosphere
D. Troposphere
14.Which of the following parameter of light is NOT required by plants to grow?
A. Wavelength of light
B. Intensity of light
C. Duration of light
D. Wavelength of light
15.What is pedology?
A. Study of the effect of light on plant growth
B. Study of leaves
C. Study of climate
D. Study of the effect of light on plant growth
16.Name the term which is used for the water present in the soil that can be utilized by the plants.
A. Chresard
B. Humus
C. Gravitational water
D. Chresard
17.Name the type of water stored in the soil in the form of hydrated oxides of iron, silicon, and aluminium?
A. Gravitational water
B. Capillary water
C. Hygroscopic water
D. Gravitational water
18.Vegetation of tropical deciduous forest falls under which of the following categories?
A. Mesotherm
B. Megatherm
C. Microtherm
D. Mesotherm
19.Genetically different population with the same physical features is known as ____________
A. Ecosystem
B. Ecads
C. Community
D. Ecosystem
20.Name the group of species which exploit the abiotic and biotic resources in a similar way?
A. Guild
B. Ecads
C. Biomes
D. Guild
21.Who proposed the term ecosystem?
A. Grinnel
B. Turesson
C. A.G. Tansley
D. Grinnel
22.Name the organisms that manufacture organic compounds from simple inorganic compounds without using sunlight?
A. Detrivores
B. Organotrophs
C. Phototrophs
D. Detrivores
23.Which of the following organism eats feces?
A. Fungus
B. Bacteria
C. Earthworm
D. Fungus
24.Which of the following type of productivity counts the total fixation of energy by photosynthesis?
A. Secondary productivity
B. Primary productivity
C. NPP
D. Secondary productivity
25.Hekistotherm vegetation is found in which of the following region?
A. High temperature
B. Very low temperature
C. High temperature with an alternating low temperature
D. High temperature
26.Pyramid of numbers for grassland ecosystem is____________
A. Decreases
B. Lateral
C. Inverted
D. Decreases
27.Which of the following statement is CORRECT about the pyramid of energy?
A. It is always upright
B. It is always inverted
C. It doesn’t exist
D. It is always upright
28.Which of the following has a higher assimilation efficiency?
A. Omnivore
B. Herbivore
C. Carnivore
D. Omnivore
29.Which of the following ecosystem consists of forest, grassland and deserts?
A. Artificial ecosystem
B. Aquatic ecosystem
C. Natural ecosystem
D. Artificial ecosystem
30.Mark the one, which comes under a lotic ecosystem?
A. Ocean
B. Lake
C. Pond
D. Ocean
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