Biology Test

Result

Biology Test - 23

Score
-
out of -
Rank
-
out of -

TIME Taken - -

SHARING IS CARING

If our Website helped you a little, then kindly spread our voice using Social Networks. Spread our word to your readers, friends, teachers, students & all those close ones who deserve to know what you know now.

Weekly Quiz Competition

Question 1
1 / -0

Which of the following diseases is not caused by mineral deficiency?

A

Etiolation

B

Dieback

C

Necrosis

D

Chlorosis
Question 2
1 / -0

Enzymes, vitamins and hormones can be classified into a single category of biological chemicals because all of these

A

help in regulating metabolism

B

are conjugated proteins

C

enhance oxidative metabolism

D

are exclusively synthesised in the body of a living organism
Question 3
1 / -0

How do the okazaki fragments in DNA chain replicate?

A

5` - to - 3` direction in semi-conservative fashion

B

5` - to - 3` direction in conservative fashion

C

3` - to - 5`direction in conservative fashion

D

3` - to - 5` direction in semi-conservative fashion
Question 4
1 / -0

The testes are two oval-shaped male reproductive glands that produce sperm and the hormone testosterone. The serous covering of the testes is known as

A

tunica vaginalis

B

tunica vasculosa

C

membranous portion

D

symphysis pubis
Question 5
1 / -0

Which enzyme moves ahead of DNA helicase during DNA replication?

A

DNA gyrase

B

DNA polymerase

C

Primase

D

DNA ligase
Question 6
1 / -0

In Sanger method of DNA sequencing, the sequence obtained is

A

complementary to the original target sequence

B

similar to the target sequence

C

Both are obtained randomly

D

Both are obtained alternatively
Question 7
1 / -0

In which of the following aspects do gymnosperms differ from grass?

A

Formation of endosperm before fertilisation

B

Production of seeds from ovules

C

Absence of pollen tubes

D

Lack of xylem tracheids
Question 8
1 / -0

Which of the following statements regarding the process of photosynthesis is incorrect?

A

Carbon fixation is an exothermic redox reaction.

B

Photosynthetic organisms convert carbon into biomass.

C

Light-dependent reactions capture energy of light to form ATP and NADPH.

D

In oxygenic photosynthesis, water is the electron donor.
Question 9
1 / -0

What is the best pH of soil for cultivation of plants?

A

6.5 - 7.5

B

3.4 - 5.4

C

4.5 - 8.5

D

5.6 - 6.5
Question 10
1 / -0

Which ecosystems among the following are most vulnerable to invasion by outside biotic factors?

A

Oceanic islands

B

Tropical evergreen forests

C

Mangroves

D

Temperate forests

User

Question Analysis

Correct -
Wrong -
Skipped -

My Perfomance

Score
-
out of -
Rank
-
out of -

Re-Attempt Weekly Quiz Competition

Biology Test - 23

Result

Biology Test - 23

Score

-

Rank

-

SHARING IS CARING

Question 1

Etiolation

Dieback

Necrosis

Chlorosis

Question 2

help in regulating metabolism

are conjugated proteins

enhance oxidative metabolism

are exclusively synthesised in the body of a living organism

Question 3

5` - to - 3` direction in semi-conservative fashion

5` - to - 3` direction in conservative fashion

3` - to - 5`direction in conservative fashion

3` - to - 5` direction in semi-conservative fashion

Question 4

tunica vaginalis

tunica vasculosa

membranous portion

symphysis pubis

Question 5

DNA gyrase

DNA polymerase

Primase

DNA ligase

Question 6

complementary to the original target sequence

similar to the target sequence

Both are obtained randomly

Both are obtained alternatively

Question 7

Formation of endosperm before fertilisation

Production of seeds from ovules

Absence of pollen tubes

Lack of xylem tracheids

Question 8

Carbon fixation is an exothermic redox reaction.

Photosynthetic organisms convert carbon into biomass.

Light-dependent reactions capture energy of light to form ATP and NADPH.

In oxygenic photosynthesis, water is the electron donor.

Question 9

6.5 - 7.5

3.4 - 5.4

4.5 - 8.5

5.6 - 6.5

Question 10

Oceanic islands

Tropical evergreen forests

Mangroves

Temperate forests

User

Question Analysis

My Perfomance

Score

-

Rank

-

Results Announcement on: coming Monday

Stay Tuned: We’ll update you on your result via email or SMS.