Explore topic-wise MCQs in Graduate Aptitude Test (GATE).

This section includes 24 Mcqs, each offering curated multiple-choice questions to sharpen your Graduate Aptitude Test (GATE) knowledge and support exam preparation. Choose a topic below to get started.

1.

Secretions produced by ribosome are passed via endoplasmic reticulum and

A. Golgi complex
B. mitochondria
C. nucleus
D. vacuole
Answer» B. mitochondria
2.

Lysosomes are cytoplasmic organelles which are specialized in their

A. histology
B. morphology
C. cytology
D. Chemical biology
Answer» C. cytology
3.

Cell membrane is chemically composed of 40-60 % of

A. fats
B. lipids
C. sugar
D. cytosol
Answer» C. sugar
4.

Ribosome are synthesized in part of cell called

A. Golgi complex
B. mitochondria
C. nucleolus
D. nucleus
Answer» D. nucleus
5.

Proteins are synthesized within mitochondria that?s why it is called

A. self-duplication
B. self-replication
C. self-replication
D. self-division
Answer» C. self-replication
6.

Rough endoplasmic reticulum assists in synthesis of

A. carbohydrates
B. proteins
C. fats, glucose, starch
D. lipids
Answer» C. fats, glucose, starch
7.

 Presence of nucleus in a cell was reported by

A. Robert Hooke
B. Robert Brown
C. Lorenz Oaken
D. Theodor Schwann
Answer» C. Lorenz Oaken
8.

 Place on chromosome where spindle fibers are attached during cell division is called

A. chromatids
B. centromere
C. centrioles
D. mitochondria
Answer» C. centrioles
9.

Smooth form of endoplasmic reticulum is without

A. Golgi complex
B. ribosome
C. nucleus
D. mitochondria
Answer» C. nucleus
10.

Storage of vital chemicals is

A. cytoplasm
B. mitochondria
C. Golgi complex
D. ribosome
Answer» B. mitochondria
11.

A group of ribosome which are attached to mRNA by small ribosome unit is known asa

A. polyribosome
B. polysome
C. monosome
D. oligosome
Answer» C. monosome
12.

 Protein structures which are long, unbranched and slender tubules are called

A. microfilaments
B. microtubules
C. intermediate tubules
D. chromatin fibers
Answer» C. intermediate tubules
13.

Arrangement of molecules of a primary wall is in sequence of

A. zigzag
B. criss-cross
C. spiral
D. conjugated
Answer» C. spiral
14.

 Absence of enzyme which helps in catabolism of lipids, lead towards disease called

A. glycogenesis
B. hay fever
C. Tay sachs
D. polio
Answer» D. polio
15.

There are 48 chromosomes in a cell of a

A. chimpanzee
B. human being
C. drosophila
D. monkey
Answer» B. human being
16.

Exchange of materials takes place between nucleus and cytoplasm with help of

A. nuclear pores
B. nuclear membrane
C. nucleus
D. chromatin network
Answer» B. nuclear membrane
17.

Structural and functional unit of life is called

A. cell
B. tissues
C. organelle
D. DNA
Answer» B. tissues
18.

Fluid Mosaic Model favors that cell membrane contains proteins which are embedded in fashion of

A. zigzag
B. criss-cross
C. mosaic
D. eplic
Answer» D. eplic
19.

Death or mental retardation takes place if accumulation happens in

A. somatic cells
B. brain cells
C. meristemetic cells
D. sensory cells
Answer» C. meristemetic cells
20.

Dot product of two vectors a and b is termed as

A. outer product
B. inner product
C. Cartesian product
D. vector product
Answer» C. Cartesian product
21.

Vector has a tip which is called its

A. initial point
B. critical point
C. terminal point
D. final point
Answer» D. final point
22.

If two vectors a and b are equal than they are written as

A. a=b
B. ab+1=0
C. a+b=0
D. a+b=b
Answer» B. ab+1=0
23.

Two vectors are equal if and only if it has same length and

A. perpendicular direction
B. anti parallel direction
C. same direction
D. tangential direction
Answer» D. tangential direction
24.

A vector of length 1 is called

A. unit vector
B. row vector
C. column vector
D. None of these
Answer» B. row vector