Biology Selected Questions and Answers Set 8

 

Q.1:- Which of the following are initiator codons ?

1. UUU and UUC
2. UGA and UAG
3. AUG and GUG
4. UAA and UAG

Ans:- (c) AUG and GUG

Q.2:- What is the exchange of segments between non-homologous chromosome called ?

1. Deletion
2. Transfer
3. Translocation
4. Frameshift

Ans:- (c) Translocation

Q.3:- Which of the following enzymes joins DNA fragments ?

1. Lipase
2. Ligase
3. Restriction Endonuclease
4. Peroxidase

Ans:- (b) Ligase

Q.4:- Which instrument is utilized to measure blood pressure ?

1. Stethoscope
2. Electrocardiogram
3. Phonocardiogram
4. Sygmomanometer

Ans:- (d) Sygmomanometer

 

Q.5:- Which of the following causes AIDS ?

1. Rubella Virus
2. Varicella Virus
3. Corynebacterium Diptheriae
4. HIV

Ans:- (d) HIV

Q.6:- Which of the following enzymes joins DNA fragments ?

1. Lipase
2. Ligase
3. Restriction Endonuclease
4. Peroxidase

Ans:- (b) Ligase

Q.7:- What is the process to employ artificial arteries called ?

1. Bud Graft
2. Crown Graft
3. Vascular Graft
4. None

Ans:- (c) Vascular Graft

Q.8:- What does the P wave of ECG depicts ?

1. Atrial Contraction
2. Ventricular Contraction
3. Heart Block
4. Heart Failure

Ans:- (a) Atrial Contraction

Q.9:- If mutation occurs in sex chromosomes what is it called ?

1. Interference
2. Lethal Mutation
3. Germinal Mutation
4. Autosomal Mutation

Ans:- (c) Germinal Mutation

Q.10:- Which nerve carries the taste sensation to the brain ?

1. Glossopharangeal
2. Accessory Spinal
3. Vagus
4. Hypoglossal

Ans:- (a) Glossopharangeal

Q.11:- The simple single muscular contraction caused by a single short stimulus is better called ?

1. Tendon
2. Refractory Period
3. Twitch
4. Tetanus

Ans:- (c) Twitch

Q.12:- Which of the following helps in conversion of fibrinogen to fibrin during blood coagulation ?

1. Hirudin
2. Thromboplastin
3. Thrombin
4. All

Ans:- (c) Thrombin

Q.13:- Phrenic Artery is only characteristic to mammals supplying blood to which of the following ?

1. Ribs
2. Intercostals Muscles
3. Diaphragm
4. All

Ans:- (c) Diaphragm

Q.14:- Overstretching of ligament is also called ?

1. Tension
2. Dislocation
3. Sprain
4. Fracture

Ans:- (c) Sprain

Q.15:- Which of the following cranial nerve of man is both sensory and motor ?

1. Auditory
2. Olfactory
3. Optic
4. Trigeminal

Ans:- (d) Trigeminal

Q.16:- What is the synthesis of m-RNA by DNA called ?

1. Translocation
2. Translation
3. Transcription
4. Chain Termination

Ans:- (c) Transcription

Q.17:- Where is the artificial pacemaker placed ?

1. In the wall of the left atrium
2. In the wall of the right atrium
3. On the interauricular septim
4. On the interventricular septum

Ans:- (b) In the wall of the right atrium

Q.18:- Which of the following best describes mumps ?

1. Bacterial Disease
2. Fungal Disease
3. Viral Disease
4. Protozoal Disease

Ans:- (c) Viral disease

Q.19:- Where is the piezo-electric effect used ?

1. NMR
2. PET
3. Sonography
4. All

Ans:- (c) Sonography

Q.20:- Which of the following laws of genetics have been proved to be true in all cases ?

1. Law of independent assortment
2. Law of segregation
3. Law of dominance
4. All of the Above

Ans:- (b) Law of Segregation

Q.21:- Which of the following is correct for tetrasomic aneuploids ?

1. 2n + 2 +2
2. 2n – 1 – 1
3. 2n + 2
4. 2n – 1

Ans:- (c) 2n + 2

Q.22:- Which cell cannot divide following the birth in human ?

1. Erythroblasts
2. Osteoblasts
3. Muscle Cells
4. Nerve Cells

Ans:- (d) Nerve Cells

Q.23:- Aqueous humour is secreted by which part of the eye ?

1. Choroid
2. Retina
3. Ciliary Body
4. Lacrymal Gland

Ans:- (c) Ciliary Body

Q.24:- Which part of the brain controls vision, touch, hearing, motion and memory ?

1. Cerebellum
2. Cerebrum
3. Medulla Oblongata
4. All of the Above

Ans:- (b) Cerebrum

Q.25:- What do the tendons connect ?

1. Muscle to Muscle
2. Bone to Bone
3. Muscle to Bone
4. Cartilage to Muscle

Ans:- (c) Muscle to Bone