NEET 2018 Biology Questions

Select the wrong statement :

Select the wrong statement

Select the wrong statement.

Which of the following statements is correct

Which of the following is not a prokaryote?

Which among the following is not a prokaryote?

Which of the following organisms are known as chief producers in the oceans?

Ciliates differ from all other protozoans in

After karyogamy followed by meiosis, spores are produced exogenously in

Select the wrong statement

Which of the following events does not occur in rough endoplasmic reticulum?

Many ribosomes may associate with a single mRNA to form multiple copies of a polypeptide simultaneously. Such strings of ribosomes are termed as

Which of the following is true for nucleolus?

Which among the following is not a prokaryote?

The Golgi complex participates in

Select the correct statement.

Which of the following is an occupational respiratory disorder?

Match the items given in Column I with those in Column II and select the correct option given below: Column I a. Tidal volume b. Inspiratory Reserve volume c. Expiratory Reserve volume d. Residual volume Column II i. 2500 - 3000 mL ii. 1100 - 1200 mL iii. 500 - 550 mL iv. 1000 - 1100 mL Choose the correct answer from the options given below:

Which of the following options correctly represents the lung conditions in asthma and emphysema, respectively?

Select the correct statement:

Which of the following statements is correct?

Winged pollen grains are present in

Which one is wrongly matched?

Identify the vertebrate group of animals characterized by crop and gizzard in its digestive system

Which of the following animals does not undergo metamorphosis?

Which one of these animals is not a homeotherm?

Which of the following statements is correct?

Match the items given in Column I with those in Column II and select the correct option given below: Column I (Function) a. Ultrafiltration b. Concentration of urine c. Transport of urine d. Storage of urine Column II (Part of Excretory system) i. Henle's loop ii. Ureter iii. Urinary bladder iv. Malpighian corpuscle v. Proximal convoluted tubule

Match the items given in Column I with those in Column II and select the correct option given below : Column I a. Glycosuria b. Gout c. Renal calculi d. Glomerular nephritis Column II i. Accumulation of uric acid in joints ii. Mass of crystallised salts within the kidney iii. Inflammation in glomeruli iv. Presence of glucose in urine

Stomatal movement is not affected by

Stomata in grass leaf are

Casparian strips occur in

Which of the following hormones can play a significant role in osteoporosis?

Which of the following is an amino acid derived hormone?

Which one of the following statements is incorrect?

Which of the following is not a product of light reaction of photosynthesis?

Oxygen is not produced during photosynthesis by

Which of the following structures or regions is incorrectly paired with its functions?

Nissl bodies are mainly composed of

Match the items given in Column I with those in Column II and select the correct option given below : Column I a. Fibrinogen b. Globulin c. Albumin Column II (i) Osmotic balance (ii) Blood clotting (iii) Defence mechanism

Match the items given in Column I with those in Column II and select the correct option given below : Column I a. Tricuspid valve b. Bicuspid valve c. Semilunar valve Column II i. Between left atrium and left ventricle ii. Between right ventricle and pulmonary artery iii. Between right atrium and right ventricle

Which of these statements is incorrect?

What is the role of NAD+ in cellular respiration?

Sweet potato is a modified

Pneumatophores occur in

Nissl bodies are mainly composed of

Calcium is important in skeletal muscle contraction because it

The stage during which separation of the paired homologous chromosomes begins is

The two functional groups characteristic of sugars are

Natality refers to

Niche is

Which one of the following population interactions is widely used in medical science for the production of antibiotics? (NEET 2018)

In a growing population of a country,

Which one of the following plants shows a very close relationship with a species of moth, where none of the two can complete its life cycle without the other? (NEET 2018)

Many ribosomes may associate with a single mRNA to form multiple copies of a polypeptide simultaneously. Such strings of ribosomes are termed as

AGGTATCGCAT is a sequence from the coding strand of a gene. What will be the corresponding sequence of the transcribed mRNA?

The experimental proof for semiconservative replication of DNA was first shown in a

Select the correct match. a. Matthew Meselson and F. Stahl - Pisum sativum b. Alfred Hershey and Martha Chase - TMV c. Alec Jeffreys - Streptococcus pneumoniae d. Francois Jacob and Jacques Monod - Lac operon

All of the following are part of an operon except

The difference between spermiogenesis and spermiation is (NEET 2018)

The amnion of mammalian embryo is derived from

Match the items given in Column I with those in Column II and select the correct option given below : Column I a. Proliferative Phase b. Secretory Phase c. Menstruation Column II i. Breakdown of endometrial lining ii. Follicular Phase iii. Luteal Phase (NEET 2018)

Hormones secreted by the placenta to maintain pregnancy are (NEET 2018)

Use of bioresources by multinational companies and organisations without authorisation from the concerned country and its people is called (NEET 2018)

Which of the following is commonly used as a vector for introducing a DNA fragment in human lymphocytes? (NEET 2018)

A ‘new’ variety of rice was patented by a foreign company, though such varieties have been present in India for a long time. This is related to (NEET 2018)

In India, the organisation responsible for assessing the safety of introducing genetically modified organisms for public use is (NEET 2018)

Select the correct match.

A woman has an X-linked condition on one of her X chromosomes. This chromosome can be inherited by

Which of the following characteristics represent 'Inheritance of blood groups' in humans? a. Dominance b. Co-dominance c. Multiple allele d. Incomplete dominance e. Polygenic inheritance

Which of the following pairs is wrongly matched?

Which one of the following plants shows a very close relationship with a species of moth, where none of the two can complete its life cycle without the other? (NEET 2018)

Double fertilization is

Which of the following has proved helpful in preserving pollen as fossils? (NEET 2018)

Pollen grains can be stored for several years in liquid nitrogen having a temperature of (NEET 2018)

Which part of poppy plant is used to obtain the drug “Smack”?

In which disease does mosquito transmitted pathogen cause chronic inflammation of lymphatic vessels?

Which of the following is not an autoimmune disease?

Among the following sets of examples for divergent evolution, select the incorrect option :

According to Hugo de Vries, the mechanism of evolution is

The similarity of bone structure in the forelimbs of many vertebrates is an example of

Which of the following is commonly used as a vector for introducing a DNA fragment in human lymphocytes?

The correct order of steps in Polymerase Chain Reaction (PCR) is

What type of ecological pyramid would be obtained with the following data? Secondary consumer : 120 g; Primary consumer : 60 g; Primary producer : 10 g

Conversion of milk to curd improves its nutritional value by increasing the amount of

The contraceptive 'SAHELI'

All of the following are included in 'ex-situ conservation' except (NEET 2018)