Zoology
Ecological equivalents refers to:
A.
All the animals living in an ecosystem
B.
Only those animals which are in the same trophic level in the food chain
C.
Organism occupying same or similar ecological niches in different geographical regions
D.
Similar organisms occupying different ecological niches in different geographical regions
Net primary productivity is:
A.
The rate of storage of organic matter not used by heterotrophs during a given period of time
B.
The rate of energy storage at consumer levels
C.
The rate of photosynthesis which includes the organic matter used in respiration during the specific period of measurement
D.
The rate of storage of organic matter in the plant tissue in excess of the respiratory utilization during the same period of measurement
What is the name of the project initiated by the Indian Government in 1990 to protect an endangered species of mammals?
A.
Project Rhinoceros
B.
Project Elephant
C.
Project Nilgai
D.
Project Langur
Which of the following endangered species is not found in India?
A.
Kiwi
B.
Black buck
C.
Rhinoceros
D.
Blue bull
Knock-knee syndrome can develop by excess exposure to:
A.
Lead
B.
Mercury
C.
DDT
D.
Fluorine
In a grassland ecosystem termites occupy the trophic level of:
A.
Producers
B.
Primary consumers
C.
Secondary consumers
D.
Tertiary consumers
The long legs of leafhopper are:
A.
A cursorial adaptation
B.
An aerobic adaptation
C.
A desert adaptation
D.
A preying Adaptation
The basic structural and functional units of nature are:
A.
Species
B.
Populations
C.
Ecosystems
D.
Ecofactors
The various forms of a species that arise by virtue of somatic plasticity in order to meet the challenge of changed environment are called:
A.
Ecotypes
B.
Ecads
C.
Ecospecies
D.
Ecocline
The oldest geological era is:
A.
Archeozoic
B.
Palaeozoic
C.
Proterozoic
D.
Mesozoic
Distinction between heritable and non heritable change was made by:
A.
Lamarck
B.
Weismann
C.
Darwin
D.
Aristotle
In the experiment performed by spallanzani, one set of flask had access to air through holes in the corks and the other set did not. In the set which had access to air, the contents showed abundant growth of organisms. What is the inference that you draw from this experiment?
A.
The set of flask which were closed with corks must have been boiled thoroughly
B.
Spontaneous generation needs contact with air
C.
Spontaneous generation does not need air
D.
Air must have got into the flask through the corks and must have carried the microorganisms along with it
Many theories about the origin of life have been proposed. The most acceptable theory is:
A.
Sudden creation from inorganic materials
B.
Origin of life on other planets
C.
The theory of special creation
D.
That life originated spontaneously but gradually in the primitive ocean
The hydrolytic enzymes in a eukaryotic cell are presented in:
A.
Cytoplasmic matrix
B.
Mitochondria
C.
Ribosomes
D.
Lysosomes
The experiment conducted by Weismann in mice have discarded the:
A.
Law of inheritance of acquired characters
B.
Theory of natural selection
C.
Isolation theory
D.
Recapitulation theory
The theory of natural selection, proposed by Darwin to explain organic evolution was based on:
A.
Prodigality of production, struggle for existence and survival of the fittest
B.
Inheritance of acquired characters only
C.
Appearance of sudden large variations and their inheritance
D.
All of these
Which one of the following pairs is not correctly matched?
A.
Nucleus - Genetic Information
B.
Cell Membrane - Permeability
C.
Microtubular Organelles - Glycolysis
D.
Golgi Complex - Secretion
A placenta which develops from the yolk sac is called:
A.
Chorio-Allantoic placenta
B.
Choroic-Vitelline placenta
C.
Chorionic placenta
D.
Allantoic placenta
In chick the amniotic cavity is lined by:
A.
Ectoderm
B.
Endoderm
C.
Mesoderm
D.
Ectoderm and Endoderm