Biology_2013_STPM Term 3_Structure

Biology_2013_STPM Term 3_Structure

12th Grade

8 Qs

quiz-placeholder

Similar activities

Speciation - 1

Speciation - 1

9th - 12th Grade

10 Qs

SC.912.L.17.20 - Remediation

SC.912.L.17.20 - Remediation

9th - 12th Grade

9 Qs

Natural Selection

Natural Selection

9th - 12th Grade

10 Qs

Principles of Ecology

Principles of Ecology

9th - 12th Grade

13 Qs

N5 3.5 Food Production

N5 3.5 Food Production

10th - 12th Grade

10 Qs

kidney - ultrafiltration

kidney - ultrafiltration

12th Grade

12 Qs

Amoeba Sisters Ecological Succession

Amoeba Sisters Ecological Succession

9th - 12th Grade

10 Qs

ADAPTATIONS TO THE ENVIRONMENT-CTMS

ADAPTATIONS TO THE ENVIRONMENT-CTMS

6th - 12th Grade

10 Qs

Biology_2013_STPM Term 3_Structure

Biology_2013_STPM Term 3_Structure

Assessment

Quiz

Biology

12th Grade

Easy

Created by

Loh Jane

Used 1+ times

FREE Resource

8 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Fluctuation of population in fresh water lake ecosystem is shown in the diagram.

State an example of a producer and a primary consumer.

A

B

C

D

Answer explanation

Producer :

Water weeds Elodea

Primary consumer: Herbivorous fish

Example: carp

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

State the relationship between the population of a producer and a primary consumer. ( 1 mark)

A

B

C

D

Answer explanation

Positively correlated. The population of a primary consumer as the producer increases and vice versa.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Explain why the population decreases significantly by May and June despite the favorable condition of light and temperature. ( 2 marks )

A

B

C

D

Answer explanation

This is due to the decrease in nutrients. With lesser nutrients, the population of the producer cannot grow.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

State the most likely source of the increase in nutrient that begins in October until November.

( 1 mark )

A

B

C

D

Answer explanation

Release of nutrients when the producer and primary consumer die and decompose.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

State two factors that would influence the fluctuation of the population. (2 marks)

A

B

C

D

Answer explanation

Competition, predation.

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

The process of DNA replication at one of the replication fork is shown in Diagram 1, while part of the steps involved in the synthesis of one of the new DNA strands shown in Diagram 2.

Name the strands P and Q.

A

B

C

D

Answer explanation

P : Lagging strand

Q : Leading strand

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Name the structure S.

A

B

C

D

Answer explanation

Okazaki fragment.

8.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Name the enzymes and the processes that are involved in Steps Ⅰ and Ⅱ.

A

B

C

D

Answer explanation

Step Ⅰ :

Enzyme : DNA Polymerase

Process : Line up nucleotides and form phosphodiester bonds.

Step Ⅱ :

Enzyme : Ligase

Process : To join Okazaki fragments and form longer DNA stands.