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Biology

Plants are killed in winter by frost because

The enzyme that splits polysaccharides in the mouth is

They are considered to be the most primitive and are surely the first of the vertebrates.

Which among the given seeds benefit a patient of diabetes mellitus by normalising his blood sugar level?

Which statement is one component of the cell theory?

Compounds that are needed for enzymes to function properly are

In Which among the given generally hormone is not found

Plants bend towards the source of light on account of the movement of curvature known as

The enzyme which catalyzes the unwinding of DNA helix during replication is

They are extremely diverse group of organisms.

Which among the given series is true about energy flow in an ecosystem -

Which statement regarding the mammalian heart is correct?

Conglobate gland is a leaf like structure found in

In Which among the given groups, animals bear no teeth

Plants developing in dry conditions are

The enzymes are basically

They are probably the simplest and the smallest living organisms possessing cellular organisation.

Which among the given statements is true when we see rainbow -

Which technique is used by Mendel for hybridization ?

Coordination in plants is by

In which animal respiratory surface are found in more than one organ

The evaporative cooling in the respiratory tract of dogs is called

They have also proved extremely useful in our quest of knowledge of outer space.

Which among the given statements with regard to respiration and photosynthesis in plants is right?

Which tissue is responsible for the passage of water in plants?

Cork-screw shaped bacteria are known as

In which of the following class can we put Adrenaline?

Plants get their nitrogen from:

The expansion for AIDS is

Thiamidine dimer formation in DNA is caused by

Which among the given stores glycogen -

Which tissue provides support to plants and also stores food?

Coupling & repulsion are the two states of:

In which of the following diseases Salk vaccine is given?

Plants growing on sand are called as

The expensive antiviral drugs sofosbuvir and dasabuvir are used to cure

This is reversal of mutation

Which among the given structures present in mammalian skin directly helps in keeping the body warm -

Which two concepts explain how the body moves?

Cretinism is due to the disorder of the glands

In which of the following insects, a pigment called luciferin is found?

Plants have __ while animals lack it.

The famous double-helix model of DNA was proposed by

Through cell membrane, which substances can pass more easily than others?

Which among the given tests helps in diagnosis of cancer

Which type of bacteria get their food from dead organic matter?

Cross XXYy ? xxYy yields XxYY:XxYy:Xxyy:xxyy offspring in the ratio of

In which of the following organelles does photosynthesis take place?

The fasting blood glucose level in adults in mg/100 ml is

Time required for the organism to eliminate 50% the total body burden or tissue concentration of chemical is referred as