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Ch.1 - Ch. 6

Authored by Doreen Doreen

Biology

1st - 6th Grade

Used 3+ times

Ch.1 - Ch. 6
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15 questions

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1.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

Which organelle is involved in the formation of spindle fibres?

Nucleus

Ribosome

Lysosome

Centriole

2.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

What is the effect to the cell if there is no smooth endoplasmic reticulum?

No energy product

No synthesis of lipids

No synthesis of protein

No modification of protein

3.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

An experiment shows the plasma membrane of red blood cell loses its shape when immersed in 1.5% sodium chloride solution. What causes the red blood cell to lose its shape?

Water diffuses into the cell by diffusion.

Water diffuses out of the cell by osmosis.

Sodium chloride diffuses into the cell by active transport.

Sodium chloride diffuses out of the cell by facilitated diffusion.

4.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

Media Image

The graph shows the effect of substrate concentration on the rate of reaction. Which of the following conclusions can be deduced from the graph?

Enzyme concentration is the limiting factor at level Z.

When the concentration of substrate is increased from X to Y, more substrate molecules are available to bind with the active side of the enzymes.

At concentration Y, no more reaction takes place as all the active sites of enzymes are fully saturated.

Rate of reaction at level Z can be increased if more substrate is added in the reaction.

5.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Media Image

What are X and Y?

X : Mitosis

Y: Meiosis

X : Fertilisation

Y: Meiosis

X : Meiosis

Y: Mitosis

X : Fertilisation

Y: Mitosis

6.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

Media Image

Diagram above shows events of phase X in a cell cycle.

What is phase X?

G1

G2

Mitosis

Cytokinesis

7.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Media Image

Diagram above shows the mechanism of enzyme action.

Which part labelled A, B, C or D represents the substrate?

A

B

C

D

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