NEET 2017

The vascular cambium normally gives rise to :

Root hairs develop from the region of :

Identify the wrong statement in context of heartwood :

Which of the following is made up of dead cells ?

In case of proiferans, the spongocoel is lined with flagellated cells called

Which among these is the correct combination of aquatic mammals?

In case of poriferans, the spongocoel is lined
with flagellated cells called

Which of the following represents order of 'Horse'?

Important characteristic that hemichordates share with chordates is

The region of Biosphere Reserve which is legally protected and where no human activity is allowed is known as :

Alexander Von Humbolt described for the first time :

Which one of the following is related to Ex-situ conservation of threatened animals and plants ?

Which of the following components provides sticky character to the bacterial cell?

DNA replication in bacteria occurs

Which of the following are found in extreme saline conditions?

Viroids differ from viruses in having

Which among the following are the smallest living cells, known without a definite cell wall, pathogenic to plants as well as animals and can survise without oxygen?

Which of the following are not polymeric?

Which of the following statements is correct with reference to enzymes?

What is the criterion for DNA fragments movement on agarose gel during gel electrophoresis ?

The DNA fragments separated on an agarose gel can be visualised after staining with

The process of separation and purification of expressed protein before marketing is called :

DNA fragments are

A gene whose expression helps to identify transformed cell is known as

Adult human RBCs are enucleate. Which of the following statement(s) is/are most appropriate explanation for this feature?
(1)  They do not need to reproduce.
(2)  They are somatic cells.
(3)  They do not metabolise.
(4)  All their internal ...

The hepatic portal vein drains blood to liver from

Lungs are made up of air-filed sacs, the alveoli. The do not collapse even after forceful expiration, because of

Which of the following options gives the correct sequence of events during mitosis?

Anaphase Promoting Complex (APC) is a protein degradation machinery necessary for proper mitosis of animal cell. If APC is defective in a human cell, which of the following is expected to occur?

Which of the following cell organelles is responsible for extracting energy from carbohydrates to form ATP?

A temporary endocrine gland in the human body is

Hypersecretion of growth hormone in adults does not cause further increase in height, because

GnRH, a hypothalamic hormone, needed in reproduction, acts on

Which of the following options best represents the enzyme composition of pancreatic juice?

A baby boy aged two years is admitted to play school and passes through a dental check-up. The dentist observed that the boy had twenty teeth. Which teeth were absent?

Which cells of 'Crypts of Lieberkuhn' secrete antibacterial lysozyme?

Which ecosystem has the maximum biomass ?

Which one of the following statements is not valid for aerosols ?

Which of the following statements is correct?

A decrease in blood pressure/volume will not cause the release of

Transplantation of tissues/ organs fails often due to non-acceptance by the patient's body. Which type of immuneresponse is responsible for such rejections ?

MALT constitutes about ________ percent of the lymphoid tissue in human body

Capacitation occurs in

Out of 'X' pairs of ribs in humans only 'Y' pairs are true ribs. Select the option that correctly represents values of X and Y and provides their explanation.

The pivot joint between atlas and axis is a type of

Which of the following in sewage treatment removes suspended solids ?

Select the mismatch :

Which of the following is correctly matched for the product produced by them ?

Which of the following RNAs should be most abundant in animal cell ?

The final proof for DNA as the genetic material came from the experiments of