Subject

Biology

Class

NEET Class 12

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 Multiple Choice QuestionsMultiple Choice Questions

1.

The pathogen Microsporum responsible for ringworm disease in humans belongs to the same kingdom of organisms as that of 

  • Taenia, a tapewarm

  • Wuchereria, a filarial worm

  • Rhizopus, a mould

  • Rhizopus, a mould


C.

Rhizopus, a mould

The pathogen Microsporum responsible for ringworm disease in humans belongs to the same kingdom of organisms as that of 

597 Views

2.

The cells lining the blood vessels belong to  the category of 

  • smooth muscle tissue

  • squamous epithelium

  • columnar epithelium

  • columnar epithelium


B.

squamous epithelium

The cells lining the blood vessels belong to  the category of 

479 Views

3.

Some vascular bundles are described as open because these

  • are surrounded by pericycle but no endodermis

  • are capable of producing secondary xylem and phloem

  • Possess conjunctive tissue between xylem and phloem

  • Possess conjunctive tissue between xylem and phloem


B.

are capable of producing secondary xylem and phloem

Some vascular bundles are described as open because these

598 Views

4.

Which one of the following is a possibility for most of us in regard to breathing, by making a conscious effort?

  • One can breathe out air totally without oxygen

  • One can breathe out air through eustachian tubes by closing both the nose and the mouth

  • One can consously breathe in and breathe out by moving the diaphragm alone, without moving the ribs at all

  • One can consously breathe in and breathe out by moving the diaphragm alone, without moving the ribs at all


B.

One can breathe out air through eustachian tubes by closing both the nose and the mouth

Which one of the following is a possibility for most of us in regard to breathing, by making a conscious effort?

983 Views

5.

In mitochondria, protons accumulate in the 

  • outer membrane

  • inner membrane

  • intermembrane space

  • intermembrane space


C.

intermembrane space

In mitochondria, protons accumulate in the 

775 Views

6.

Frogs differ from humans in possessing

  • paired cerebral hemispheres

  • chymotrypsin

  • trypsin

  • trypsin


C.

trypsin

Frogs differ from humans in possessing

406 Views

7.

One of the constituents of the pancreatic juice while poured into the duodenum in humans, is

  • Trypsinogen

  • chymotrypsin

  • trypsin

  • trypsin


A.

Trypsinogen

One of the constituents of the pancreatic juice while poured into the duodenum in humans, is

698 Views

8.

At metaphase, chromosomes are attached to the spindle fibres by their

  • satellites

  • Secondary constrictions

  • Kinetochores

  • Kinetochores


C.

Kinetochores

At metaphase, chromosomes are attached to the spindle fibres by their

406 Views

9.

Function of copanion cells is 

  • providing energy to sleve elements for active transport

  • Providing water to phloem

  • loading of sucrose into sieve elements by passive transport

  • loading of sucrose into sieve elements by passive transport


D.

loading of sucrose into sieve elements by passive transport

Function of copanion cells is 

477 Views

10.

Which one of the following statements is totally wrong about the occurrence of the notochord, while the other three are correct? 

  • It is present only in larval tail in Ascidians

  • It is replaced by a vertebral coloumn in adult frog

  • It is absent throughout life in humans from the very beginning

  • It is absent throughout life in humans from the very beginning


C.

It is absent throughout life in humans from the very beginning

Which one of the following statements is totally wrong about the occurrence of the notochord, while the other three are correct? 

589 Views