NEET Test Series-2021/NEET Biology MCQS Mock Test Paper 45 Sample Test,Sample questions

Question:
 Association of histones H1 with nucleosome shows

1. the occurrence of transcription

2.the occurrence of replication

3.exposed DNA double helix

4.the condensation of DNA into chromatin fibre

Posted Date:-2021-02-22 07:25:21


Question:
 DNA replication is

1.conservative

2.conservative and discontinuous

3.semi-conservative and discontinuous

4. semi-conservative and semi-discontinuous

Posted Date:-2021-02-22 07:25:21


Question:
 Find the incorrect statement

1.Agar-agar is produced from Gracilaria

2.Chlorella is used in space food

3.Mannitol is a food reserve of Rhodophyceae

4.Algin is produced by algae

Posted Date:-2021-02-22 07:25:21


Question:
 Formation of a chemical bond results in

1.Increase in energy

2. Decrease in energy

3.Both

4.None of the above

Posted Date:-2021-02-22 07:25:21


Question:
 Glenoid cavity articulates

1.Clavicle with acromion

2.Clavicle with scapula

3.Scapula with acromion

4. Humerus with scapula

Posted Date:-2021-02-22 07:25:21


Question:
 Small discrete molecules are present in which of the substances?

1.Copper

2. CO

3.Dry ice

4.Graphite

Posted Date:-2021-02-22 07:25:21


Question:
 Termination of replication is triggered by

1. DNA polymerase

2.Helicase

3. SSB

4.Tus protein

Posted Date:-2021-02-22 07:25:21


Question:
 The joint between 1st and 2nd cervical vertebrae

1.Gliding joint

2.Saddle joint

3. Pivot joint

4.Hinge joint

Posted Date:-2021-02-22 07:25:21


Question:
 The joint in our elbow is an example of

1.hinge joint

2.ball and socket joint

3.pivot joint

4.gliding joint

Posted Date:-2021-02-22 07:25:21


Question:
 Which of the following enzymes separates the two strands of DNA during replication?

1. Gyrase

2. Topoisomerase

3.Helicase

4. DNA polymerase

Posted Date:-2021-02-22 07:25:21


Question:
 Which of the following has non-flagellated isogamous gametes?

1.Spirogyra

2. Chlamydomonas

3.Volvox

4.Fucus

Posted Date:-2021-02-22 07:25:21


Question:
 Which of the following has the weakest bond?

1. Ice

2. Diamond

3.KCl

4. Neon

Posted Date:-2021-02-22 07:25:21


Question:
 Which of the following is used in DNA replication studies?

1.Neurospora crassa

2.Drosophila melanogaster

3. Escherichia coli

4.Pneumococcus

Posted Date:-2021-02-22 07:25:21


Question:
 Which of the following joints does not allow any movement?

1. Synovial joint

2.Fibrous joint

3.Ball and Socket joint

4.Cartilaginous joint

Posted Date:-2021-02-22 07:25:21


Question:
 Which one of the following is a colonial alga?

1.Ulothrix

2.Spirogyra

3. Volvox

4.Chlorella

Posted Date:-2021-02-22 07:25:21


Question:
DNA polymerase synthesizes

1.DNA in 5’-3’ direction

2. DNA in 3’-5’ direction

3. mRNA in 3’-5’ direction

4.mRNA in 5’-3’ direction

Posted Date:-2021-02-22 07:25:21


Question:
During replication, Okazaki fragments elongate

1.leading strand towards the replication fork

2. lagging strand towards the replication fork

3. leading strand away from the replication fork

4.lagging strand away from the replication fork

Posted Date:-2021-02-22 07:25:21


Question:
Find the correct pair

1. Gliding joint – between carpals

2.Cartilaginous joint – between frontal and parietal

3.Hinge joint – between humerus and pectoral girdle

4.Pivot joint – between third and fourth cervical vertebrae

Posted Date:-2021-02-22 07:25:21


Question:
Find the correctly matched pair

1.Fibrous joint — between phalanges

2.Cartilaginous joint — skull bones

3. Gliding joint — between zygapophyses of the successive vertebrae

4.Hinge joint — between vertebrae

Posted Date:-2021-02-22 07:25:21


Question:
Humans have ________ joint between sternum and ribs

1. gliding

2.angular

3.cartilaginous

4.fibrous

Posted Date:-2021-02-22 07:25:21


Question:
In a crystal, covalent molecules are held together by

1.Dipole-dipole attraction

2. Hydrogen bonds

3.Van der Waals attraction

4. Electrostatic attraction

Posted Date:-2021-02-22 07:25:21


Question:
The Atoms of solid Ar are held together by

1. Van der Waals forces

2.Hydrogen bonds

3.Ionic bonds

4.Hydrophobic forces

Posted Date:-2021-02-22 07:25:21


Question:
Mannitol is a reserved food found in

1.Gracillaria

2.Porphyra

3.Chara

4. Fucus

Posted Date:-2021-02-22 07:25:21


Question:
Metallic bonds do not have

1.Highly directed bonds

2. Mobile valence electrons

3. Delocalised electrons

4.Overlapping valence orbitals

Posted Date:-2021-02-22 07:25:21


Question:
Particles in an ionic crystals are held together by

1.Nuclear forces

2.Electrons

3.Covalent bonds

4.Electrostatic forces

Posted Date:-2021-02-22 07:25:21


Question:
Ribs and sternum are connected by

1.Areolar tissue

2. Hyaline cartilage

3.White fibrous cartilage

4. Bony matter

Posted Date:-2021-02-22 07:25:21


Question:
The 3’ – 5’ phosphodiester linkage joins

1.two DNA strands

2.two nucleotides

3.a nitrogenous base with pentose sugar

4. two nucleosides

Posted Date:-2021-02-22 07:25:21


Question:
The fragments of DNA are joined together by which of the following enzymes?

1. Endonuclease

2.DNA polymerase

3. Primase

4. Ligase

Posted Date:-2021-02-22 07:25:21


Question:
The joint between atlas and axis is

1.Saddle joint

2.Angular joint

3.Pivot joint

4. Cartilaginous joint

Posted Date:-2021-02-22 07:25:21


Question:
The type of joint between the skull bones is

1. Fibrous

2.Cartilaginous

3.Synovial

4.Hinge

Posted Date:-2021-02-22 07:25:21


Question:
Which of the compounds shows the highest lattice energy?

1.CsF

2. KF

3. RbF

4. NaF

Posted Date:-2021-02-22 07:25:21


Question:
Which of the following has both covalent and ionic bonds?

1. NaOH

2. KCl

3.CH4

4.SO2

Posted Date:-2021-02-22 07:25:21


Question:
Which of the following helps in opening of DNA double helix in front of replication fork?

1.topoisomerase

2.DNA polymerase-I

3. DNA gyrase

4.DNA ligase

Posted Date:-2021-02-22 07:25:21


Question:
Which of the following is the weakest bond?

1.Ionic bonds

2.Metallic bonds

3.Covalent bonds

4.Van der Waals forces

Posted Date:-2021-02-22 07:25:21


Question:
Which of the following shows zygotic meiosis?

1. Chlamydomonas

2. Marchantia

3. Funaria

4.Fucus

Posted Date:-2021-02-22 07:25:21


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