SBI3U EXAM Review

Question 1

What types of cells are shown in the image?

Accepted Answer

companion cell and sieve tube element

Question 2

The part of the blood most important for transportation of nutrients and waste is

Accepted Answer

plasma

Question 3

If an organism has a diploid number of 22 then its gametes will have _____ chromosomes

Accepted Answer

11

Question 4

The process of water molecules evaporating through the stomata of a leaf is called

Accepted Answer

transpiration

Question 5

Where is vitamin K made in the body?

Accepted Answer

large intestine

Question 6

Which is the function of ethylene if plants?

Accepted Answer

ripening of fruit

Question 7

The viceroy mimics the monarch to evade predators. Which of these is most harmful to viceroy?

Accepted Answer

more viceroys than monarchs

Question 8

Which of the following is considered a source in translocation?

Accepted Answer

leaves

Question 9

What produces spindle fibers?

Accepted Answer

centrosomes

Question 10

Which is true for seedless plants such as ferns and mosses?

Accepted Answer

flagellated sperm and need water for reproduction

Question 11

If a litter of cats has 2 white (bb) and 2 black, mother is white, what is father's genotype?

Accepted Answer

Bb

Question 12

How does a mutation change allele frequency in a population?

Accepted Answer

new alleles are added to the mix

Question 13

Uniformitarianism was proposed by

Accepted Answer

Lyell & Hutton

Question 14

What is the correct order of the cell cycle?

Accepted Answer

G1, S, G2, Mitosis, Cytokinesis

Question 15

This pedigree most likely shows __________________ inheritance

Accepted Answer

autosomal dominant

Question 16

Where is chyme neutralized?

Accepted Answer

duodenum

Question 17

A scientific theory is a hypothesis that

Accepted Answer

consistently leads to correct predictions

Question 18

Allopatric speciation requires that populations be

Accepted Answer

geographically isolated

Question 19

Natural selections acts on...

Accepted Answer

phenotype

Question 20

Which kingdom was originally considered to be plants?

Accepted Answer

fungi

Question 21

During which phase of meiosis does crossing over occur?

Accepted Answer

prophase I

Question 22

the study of structure and form of an organism

Accepted Answer

anatomy

Question 23

What do enzymes do?

Accepted Answer

increase rate of chemical reaction by lowering energy need

Question 24

Which is the most plentiful crop in Canada

Accepted Answer

wheat

Question 25

Directional selection acts to

Accepted Answer

increase ONE of the more extreme version of a trait

Question 26

Which best describes the morphology of this bacterium?

Accepted Answer

cocci

Question 27

What is BSE caused by?

Accepted Answer

prion

Question 28

What does the body need oxygen for?

Accepted Answer

cellular respiration

Question 29

What causes fraternal twins?

Accepted Answer

2 eggs each fertlized by a separate sperm

Question 30

Natural selection is best described as

Accepted Answer

situational

SBI3U EXAM Review

Questions 30

SBI3U EXAM Review

Questions 30