NEET 2013 Biology Questions (1-10/11-20/21-30/31-40/41-50/51-60/61-70)
71. A good producer of citric acid is
(1) Psuedomonas
(2) Clostridium
(3) Sacharomyces
(4) Aspergillus
72. The characteristics and an example of a synovial joint in humans is:
73. A stage in cell division is shown in the figure. Select the answer which gives correct identification of the stage with its characteristics.
74. The diagram given here is the standard ECG of a normal person. The P-wave represents the
(1) Initiation of the ventricular contraction
(2) Beginning of the systole
(3) End of systole
(4) Contraction of both the atria
75. Match the name of the animal (Column I) with one characteristics (Column II) and the phylum/class (Column III) to which it belongs.
76. Select the answer which correctly matches the endocrine gland with the hormone it secretes and its function/ deficiency symptom
77. Which of the following statements is not true of two genes that show 50% recombination frequency ?
(1) The genes are tightly linked
(2) The genes show independent assortment
(3) If the genes are present on the same chromosome, they undergo more than one crossovers in every meiosis
(4) The genes may be on different chromosomes
78. Read the following statements (A-E) and answer the question which follows them
(A) In liverworts, mosses, and ferns gametophytes are free-living
(B) Gymnosperms and some ferns are heterosporous
(C) Sexual reproduction in Fucus Volvox and Albugo is oogamous
(D) The sporophyte in liverworts is more elaborate than that in mosses
(E) Both, Pinus and Marchantia are dioecious
How many of the above statements are correct ?
(1) Two (2) Three
(3) Four (4) One
79. How many of the above statements are correct ?
(1) Two
(2) Three
(3) Four
(4) One
79. The figure shows a diagrammatic view of human respiratory system with labels A, B, C and D. Select the option which gives correct identification and main function and/or characteristic.
(1) B-pleural membrane - surround ribs on both sides to provide cushion against rubbing
(2) C-Alveoli - thin walled vascular bag like structures for exchange of gases
(3) D-Lower end of lungs - diaphragm pulls it down during inspiration
(4) A - trachea - long tube supported by complete cartilaginous rings for conducting inspired air
80. A diagram showing axon terminal and synapse is given. Identify correctly at least two of A-D
(1) B - Synaptic connection
D - K+
(2) A - Neurotransmitter
B - Synaptic cleft
(3) C - Neurotransmitter
D - Ca++
(4) A - Receptor
C - Synaptic vesicles
Answers
71. (4)Aspergillus
72. (2) Fluid filled synovial cavity between two bones- Joint between atlas and axis
73. (4) Telophase- Nuclear envelop reforms, golgi complex reforms.
74. (4) Contraction of both the atria
75. (4) Petromyzon- Ectoparasite-Cyclostomata
76. (2) Thyroid gland -Thyroxine - Thyroxine Lack of iodine in diet results in goitre
77. (1) The genes are tightly linked
78. (2) Three
79. (2) C-Alveoli - thin walled vascular bag like structures for exchange of gases
80. (4) A - Receptor
C - Synaptic vesicles
71. A good producer of citric acid is
(1) Psuedomonas
(2) Clostridium
(3) Sacharomyces
(4) Aspergillus
72. The characteristics and an example of a synovial joint in humans is:
| Characteristics | Examples | |
| (1) | Fluid filled between two joints, provides cushion | Skull bones |
| (2) | Fluid filled synovial cavity between two bones | Joint between atlas and axis |
| (3) | Lymph filled between two bones, limited movement | Gliding joint between carpals |
| (4) | Fluid cartilage between two bones, limited movements | Knee joints |
73. A stage in cell division is shown in the figure. Select the answer which gives correct identification of the stage with its characteristics.
| (1) | Late Anaphase | Chromosomes move away from equatorial plate, golgi complex not present. |
| (2) | Cytokinesis cells. | Cell plate formed, mitochondria distributed between two daughter |
| (3) | Telophase | Endoplasmic reticulum and nucleolus not reformed yet. |
| (4) | Telophase | Nuclear envelop reforms, golgi complex reforms. |
74. The diagram given here is the standard ECG of a normal person. The P-wave represents the
(1) Initiation of the ventricular contraction
(2) Beginning of the systole
(3) End of systole
(4) Contraction of both the atria
75. Match the name of the animal (Column I) with one characteristics (Column II) and the phylum/class (Column III) to which it belongs.
Column I
|
Column II
|
Column III
| |
| (1) | Ichthyophis | Terrestrial | Reptilia |
| (2) | Limulus | body covered by chitinous exoskeleton | Pisces |
| (3) | Adamsia | radially symmetrical | Porifera |
| (4) | Petromyzon | Ectoparasite | Cyclostomata |
76. Select the answer which correctly matches the endocrine gland with the hormone it secretes and its function/ deficiency symptom
| Endocrine gland | Hormone | Function/ deficiency symptoms | |
| (1) | Posterior pituitary | Growth Hormone (GH) | Oversecretion stimulates abnormal growth |
| (2) | Thyroid gland | Thyroxine | Thyroxine Lack of iodine in diet results in goitre |
| (3) | Corpus luteum | Testosterone | Stimulates spermatogenesis |
| (4) | Anterior pituitary | Oxytocin | Stimulates uterus contraction during child birth |
77. Which of the following statements is not true of two genes that show 50% recombination frequency ?
(1) The genes are tightly linked
(2) The genes show independent assortment
(3) If the genes are present on the same chromosome, they undergo more than one crossovers in every meiosis
(4) The genes may be on different chromosomes
78. Read the following statements (A-E) and answer the question which follows them
(A) In liverworts, mosses, and ferns gametophytes are free-living
(B) Gymnosperms and some ferns are heterosporous
(C) Sexual reproduction in Fucus Volvox and Albugo is oogamous
(D) The sporophyte in liverworts is more elaborate than that in mosses
(E) Both, Pinus and Marchantia are dioecious
How many of the above statements are correct ?
(1) Two (2) Three
(3) Four (4) One
79. How many of the above statements are correct ?
(1) Two
(2) Three
(3) Four
(4) One
79. The figure shows a diagrammatic view of human respiratory system with labels A, B, C and D. Select the option which gives correct identification and main function and/or characteristic.
(1) B-pleural membrane - surround ribs on both sides to provide cushion against rubbing
(2) C-Alveoli - thin walled vascular bag like structures for exchange of gases
(3) D-Lower end of lungs - diaphragm pulls it down during inspiration
(4) A - trachea - long tube supported by complete cartilaginous rings for conducting inspired air
80. A diagram showing axon terminal and synapse is given. Identify correctly at least two of A-D
(1) B - Synaptic connection
D - K+
(2) A - Neurotransmitter
B - Synaptic cleft
(3) C - Neurotransmitter
D - Ca++
(4) A - Receptor
C - Synaptic vesicles
Answers
71. (4)Aspergillus
72. (2) Fluid filled synovial cavity between two bones- Joint between atlas and axis
73. (4) Telophase- Nuclear envelop reforms, golgi complex reforms.
74. (4) Contraction of both the atria
75. (4) Petromyzon- Ectoparasite-Cyclostomata
76. (2) Thyroid gland -Thyroxine - Thyroxine Lack of iodine in diet results in goitre
77. (1) The genes are tightly linked
78. (2) Three
79. (2) C-Alveoli - thin walled vascular bag like structures for exchange of gases
80. (4) A - Receptor
C - Synaptic vesicles
Tags:
NEET 2013 biology answer key
neet answer key 2013
neet answers
neet bio 2013
neet biology answers
neet exam answer key