What parameters are used for Tiger Census in our country’s National parks and Tiger reserves
A. Pug marks only
B. Pug marks and fecal pellets
C. Fecal pellets only
D. Actual head counts

In EcoRI, the Roman number indicates
A. Genus
B. Species
C. Strain no
D. The order of the enzyme isolated

Bt in the Bt cotton represents
A. Biotechnology
B. Bacillus thuringiensis
C. Bacterial toxoid
D. Bio transformer

In agarose gel electrophoresis DNA molecules are separated on the basis of their
A. Charge only
B. Size only
C. Charge to size ratio
D. Both charge and size

To introduce alien DNA to plant cell suitable method is.
A. Micro injection
B. Biolistics
C. Disarmed pathogen
D. Transformation

The DNA polymerase enzyme used in PCR technology is obtained from
A. E. coli
B. Agrobacterium tumefaciens
C. Thermus aquaticus
D. Salmonella typhi

SCID disease is caused by deficiency of enzyme
A. Adenosine transaninase
B. Adenosine deaminase
C. Guanosine transaminase
D. Guanasine deaminase

Bt-Cotton is an example of a transgenic crop. In this 'Bt' refers to:
A. Bacillus tuberculosis
B. Biotechnology
C. Bacillus thuringiensis
D. Bordetella thuringiensis

The Taq polymerase enzymes is obtained from
A. Bacillus subtilis
B. Thermus aquaticus
C. Pscudomonas putida
D. Thiobacillus ferroxidans

Stain used in Agarose gel electrophoresis
A. Acetocarmine
B. Saffranin
C. Cyanogen bromide
D. Ethidium bromide

According to Robert Constanza and his colleagues. The cost of ecosystem service, like soil formation accounts for about
A. 10%
B. 50%
C. 6%
D. None of them

Select the correct sequence of steps in the process of decomposition
A. Fragmentation → Leaching → Catabolism → Humification → Mineralisation
B. Leaching → Catabolism → Humification → Mineralisation → Fragmentation
C. Catabolism → Humification → Mineralisation → Fragmentation → Leaching
D. Humification → Mineralisation → Fragmentation → Leaching → Catabolism

The process of breakdown of detritus by detritivores is
A. Mineralisation
B. Fragmentation
C. Leaching
D. Humification

The breakdown of detritus into smaller particles by Earthworm is a process called.
A. Catabolism
B. Mineralization
C. Fragmentation
D. Humification

Pyramid of energy is
A. Always inverted
B. Always uprighted
C. Spindle shaped
D. Both uprighted and inverted depending uponecosystem

Climax community is in a state of
A. Non equilibrium
B. Equilibrium
C. Disorder
D. Constant change

Which organism are not given any place in ecological pyramid
A. Herbivore
B. Producers
C. Saprophytes
D. Carnivore

The amount of nutrients in the soil such as carbon, nitrogen phosphorus, calcium etc, present in the soil at any given time is referred to as:
A. Standing state
B. Standing crop
C. Biomass
D. Succession

The process of breakdown of complex organic matter into inorganic substances is
A. Mineralisation
B. Catabolism
C. Decomposition
D. Leaching

Reservoir of phosphorus cycle.
A. Earth's crust
B. Water
C. Atmosphere
D. Living organisms

The percentage of photosynthetically active radiation (PAR) in the incident solar radiation
A. 100%
B. 50%
C. 1.5%
D. 2.10%

An inverted pyramid of biomass can be found in which ecosystem
A. Forest
B. Marine
C. grassland
D. Tundra

Which is correct sequence in the food chain ?
A. Grass → wolf → deer → Buffalo
B. Bacteria → Grass → Rabbit → Buffalo →
C. Grass → Insect → Bird → Snake
D. Grass → Snake → Insect → Deer

Example for primary consumer
A. Goat
B. Frog
C. Snake
D. Snail

BOD of wastewater is estimated by measuring the amount of
A. Total organic matter
B. Biodegradable organic matter
C. Oxygen evolution
D. Oxygen consumption

Which one of the following plant is known as "Terror of Bengal"
A. Bryophyllum
B. Nymphea
C. Parthenium
D. Eichhornia

Viable seeds of Phoenix dactylifera discovered during archeological excavation at King Herod's palace near the dead sea is.
A. 2000 years old
B. 200 years old
C. 10,000 years old
D. 1000 years old

Darwin's finches are a good example of :
A. Industrial melanism
B. Adaptive radiation
C. Connecting link
D. Convergent evolution

Analogous organs arise due to
A. Convergent evolution
B. Natural selection
C. Divergent evolution
D. Genetic drift

Fossil evidences of evolution is called
A. Anatomy
B. Embryology
C. Morphology
D. Palentology