NEET 2017 Biology Questions

Which of the following statements is true?

An example of colonial alga is

Life cycle of Ectocarpus and Fucus respectively are

Zygotic meiosis is characteristic of

Select the mismatch :

Which of the following statements is correct?

Which of the following statements is not correct?

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

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

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

Select the mismatch.

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

Which of the following are found in extreme saline conditions?

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

Which of the following statements is correct

Viroids differ from viruses in having :

The hepatic portal vein drains blood to liver from

Frog's heart when taken out of the body continues to beat for some time. Select the best option from the following statements: (a) Frog is a poikilotherm (b) Frog does not have any coronary circulation (c) Heart is "myogenic" in nature (d) Heart is autoexcitable Choose the correct option:

The genotypes of a Husband and Wife are IAIB and IAi. Among the blood types of their children, how many different genotypes and phenotypes are possible?

Adult human RBCs are enucleate. Which of the following statement(s) is/are most appropriate explanation for this feature? (a) They do not need to reproduce (b) They are somatic cells (c) They do not metabolize (d) All their internal space is available for oxygen transport Select the correct option:

Coconut fruit is a

Root hairs develop from the region of

In Bougainvillea thorns are the modifications of

The morphological nature of the edible part of coconut is

A temporary endocrine gland in the human body is

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

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

Hypersecretion of Growth Hormone in adults does not cause further increase in height, because

An important characteristic that Hemichordates share with Chordates is

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 statements is not correct?

Receptor sites for neurotransmitters are present on

Myelin sheath is produced by

Frog's heart when taken out of the body continues to beat for some time. Select the best option from the following statements: (a) Frog is a poikilotherm (b) Frog does not have any coronary circulation (c) Heart is "myogenic" in nature (d) Heart is autoexcitable Options

Select the correct route for the passage of sperms in male frogs:

Myelin sheath is produced by

With reference to factors affecting the rate of photosynthesis, which of the following statements is not correct?

Phosphoenol pyruvate (PEP) is the primary CO2 acceptor in :

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

Which of the following statements is correct?

Root hairs develop from the region of

Which of the following facilitates opening of stomatal aperture?

Which of the following statements is not correct?

Fruit and leaf drop at early stages can be prevented by the application of

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 cell organelles is responsible for extracting energy from carbohydrates to form ATP?

Which statement is wrong for Krebs' cycle?

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 cells. If APC is defective in a human cell, which of the following is expected to occur?

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

Which of the following are not polymeric?

Which of the following represents order of 'Horse'? (NEET-2017)

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

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

During DNA replication, Okazaki fragments are used to elongate

A particular mRNA, in a hypothetical case, codes for a protein with 333 amino acids, and the base at position 901 is deleted such that the length of the RNA becomes 998 bases, how many codons will be altered?

DNA replication in bacteria occurs

The association of histone H1 with a nucleosome indicates:

Spliceosomes are not found in cells of

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

Among the following characters, which one was not considered by Mendel in his experiments on pea?

A normal cell of an organism has a gene which codes for a protein with 333 amino acids, and the base at position 901 is deleted such that the length of the RNA becomes 998 bases, how many codons will be altered?

A disease caused by an autosomal primary non-disjunction is

Thalassemia and sickle cell anemia are caused due to a problem in globin molecule synthesis. Select the correct statement.

Which one from those given below is the period for Mendel's hybridization experiments?

The genotypes of a Husband and Wife are IAIB and IAi. Among the blood types of their children, how many different genotypes and phenotypes are possible?

The morphological nature of the edible part of coconut is

Double fertilization is exhibited by

Functional megaspore in an angiosperm develops into

Attractants and rewards are required for

Flowers which have single ovule in the ovary and are packed into inflorescence are usually pollinated by (NEET 2017)

Match the following sexually transmitted diseases (Column - I) with their causative agent (Column - II) and select the correct option. Column - I (a) Gonorrhea (b) Syphilis (c) Genital Warts (d) AIDS Column - II (i) HIV (ii) Neisseria (iii) Treponema (iv) Human Papilloma virus Choose the correct answer: (NEET 2017)

The function of copper ions in copper releasing IUD's is :

In case of a couple where the male is having a very low sperm count, which technique will be suitable for fertilisation? (NEET 2017)

Capacitation occurs in

A temporary endocrine gland in the human body is

GnRH, a hypothalamic hormone, needed in reproduction, acts on (NEET 2017)

Which one of the following is related to Ex-situ conservation of threatened animals and plants? (NEET 2017)

Alexander Von Humbolt described for the first time

The region of Biosphere Reserve which is legally protected and where no human activity is allowed is known as (NEET 2017)

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

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

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

Which of the following statements is not correct?

Which ecosystem has the maximum biomass?

Mycorrhizae are the example of

Asymptote in a logistic growth curve is obtained when

Which of the following in sewage treatment removes suspended solids?

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

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

MALT constitutes about ___________ percent of the lymphoid tissue in human body.

Which of the following statements is not true ?

Artificial selection to obtain cows yielding higher milk output represents

Which of the following statements is not correct?