List of top Questions asked in NEET (UG)

Which of the following are not the effects of Parathyroid hormone?

  1. Stimulates the process of bone resorption,
  2. Decreases Ca2+ level in blood,
  3. Reabsorption of Ca2+ by renal tubules,
  4. Decreases the absorption of Ca2+ from digested food,
  5. Increases metabolism of carbohydrates.

Choose the most appropriate answer from the options given below

Match list I with list II with respect to methods of contraception and their respective actions. Choose the correct answer from the options given below:

 List - I List - II
(a)Diaphragms(i)Inhibit ovulation and Implantation
(b)Contraception(ii)Increase phagocytosis of sperm within Pills Uterus
(c)Intrauterine Devices(iii)Absences of Menstrual cycle and ovulation following partition
(d)Lactational Amenorrhea(iv)They cover the cervix blocking the entry of sperms

Match list I with list II. Choose the correct answer from the options given below:

 List - I List - II
(a)Glycogen(i)Hormone
(b)Globulin(ii)Biocatalyst
(c)Steroids(iii)Antibody
(d)Thrombin(iv)Storage product
The recombination frequency between the genes a & c is 5%, b & c is 15%, b & d is 9%, a & b is 20%, c & d is 24% and a & d is 29%. What will be the sequence of these genes on a linear chromosome?

Statements related to human insulin are given below: Which statement(s) is/are correct about genetically engineered Insulin?

  1. Pro-hormone insulin contain extra stretch of C-peptide
  2. A peptide and B-peptide chains of insulin were produced separately in E. coli, extracted and combined by creating a disulphide bond between them.
  3. Insulin used for treating Diabetes was extracted from Cattles and Pigs.
  4. Pro-hormone insulin needs to be processed for converting into a mature and functional hormone.
  5. Some patients develop allergic reactions to the foreign insulin.

Choose the most appropriate answer from the options given below:

Which of the following is a correct statement?
Given below are two statements:
Statement I: Restriction endonucleases recognise specific sequences to cut DNA known as palindromic nucleotide sequences.
Statement II: Restriction endonucleases cut the DNA strand a little away from the centre of the palindromic site.
In the light of the above statements, choose the most appropriate answer from the options given below: 
If ‘8’ Drosophila in a laboratory population of ‘80’ died during a week, the death rate in the population is__ individuals per Drosophila per week.
Lippes loop is a type of contraceptive used as:
At which stage of life the oogenesis process is initiated?
Given below are two statements:
Statement I: Autoimmune disorder is a condition where the body defense mechanism recognizes its own cells as foreign bodies.
Statement II: Rheumatoid arthritis is a condition where the body does not attack self cells.
In the light of the above statements, choose the most appropriate answer from the options given below:

Which of the following statements are true for spermatogenesis but do not hold true for Oogenesis?

  1. It results in the formation of haploid gametes
  2. Differentiation of gamete occurs after the completion of meiosis
  3. Meiosis occurs continuously in a mitotically dividing stem cell population
  4. It is controlled by the Luteinizing hormone (LH) and Follicle Stimulating Hormone (FSH) secreted by the anterior pituitary
  5. It is initiated at puberty

Choose the most appropriate answer from the options given below:

In an E. coli strain the i gene gets mutated and its product can not bind the inducer molecule. If the growth medium is provided with lactose, what will be the outcome?
Nitrogenous waste is excreted in the form of pellet or paste by:
In the taxonomic categories which hierarchical arrangement in ascending order is correct in the case of animals?
A dehydration reaction links two glucose molecules to produce maltose. If the formula for glucose is \(\text{C}_6\text{H}_{12}\text{O}_6\) then what is the formula for maltose?
In situ conservation refers to:
Tegmina in cockroach arises from
Identify the microorganism which is responsible for the production of an immunosuppressive molecule cyclosporin A:
Which of the following is not the function of the conducting part of the respiratory system?

Given below are two statements:
Statement I: The release of sperms into the seminiferous tubules is called spermiation.
Statement II: Spermiogenesis is the process of formation of sperms from spermatogonia.
In the light of the above statements, choose the most appropriate answer from the options given below:

Given below are two statements:
Statement I: Fatty acids and glycerols cannot be absorbed into blood.
Statement II: Specialized lymphatic capillaries called lacteals carry chylomicrons into lymphatic vessels and ultimately into the blood.
In the light of the above statements, choose the most appropriate answer from the options given below:
What is the role of large bundle sheath cells found around the vascular bundles in \(C_4\) plants?

The anatomy of springwood shows some peculiar features. Identify the correct set of statements about springwood.

  1. It is also called early wood.
  2. In the spring season cambium produces xylem elements with narrow vessels.
  3. It is lighter in colour.
  4. The springwood along with autumnwood shows alternate concentric rings forming annual rings.
  5. It has lower density

Choose the correct answer from the options given below:

Match List - I with List - II. Choose the correct answer from the options given below:

 List - I List - II
(a)Metacentric chromosome(i)Centromere situated close to the end forming one extremely short and one long arms.
(b)Acrocentric chromosome(ii)Centromeres at the terminal end
(c)Sub-metacentric(iii)Centromere in the middle forming two equal arms of chromosomes
(d)Telocentric chromosome(iv)Centromere slightly away from the middle forming one shorter arm and one longer arm