Quarterly Exam- Biology Ls: 3,4,5,6,7

Question 1

What are the three important characteristics of respiration?

Answer 1

Pg 55

Question 2

Write the equations of areobic and anaerobic respiration.

Answer 2

Areobic repiration
C6H12O6 + 6O2 → 6CO2 + 6H2O + 38 ATP
Anaerobic respiration
C6H12O6 → 2C2H5OH + 2CO2 + 2 ATP

Question 3

What are the three inlets through which O2 is absorbed by the plants?

Answer 3

Pg-56

Question 4

Define respiration

Answer 4

Pg-56

Question 5

What are the two types of metabolic activities?

Answer 5

Pg-56

Question 6

What does soda lime consist of and what does it do?

Answer 6

Consists of sodium hydroxide adn calcium oxide. It absorbs the carbon dioxide present.

Question 7

What does KOH do?

Answer 7

Dissolves CO2 present in the air.

Question 8

ATP is also called as?

Answer 8

Energy currency of the cell

Question 9

Organisms which respire only anaerobically?

Answer 9

Certain bacteria and fungi

Question 10

What are the 3 differences between respiration in plants and animals?

Answer 10

Pg-60

Question 11

What are the differences between photosythesis and respiration?

Answer 11

pg 60

Question 12

What are the differences between respiration and combustion?

Answer 12

pg-56

Question 13

What are the differences between aerobic and anaerobic respiration?

Answer 13

pg-57

Question 14

Define seed, fruit and grain.

Answer 14

pg 47

Question 15

What are the classification of seeds on the basis of endosperm? Give examples.

Answer 15

Pg 47

Question 16

Give examples of small, quite large and largest seeds.

Answer 16

Small-poppy and strawberry seeds
Quite large- mango, plum
Largest- cocont and double coconut

Question 17

What are the examples of monocotyledonous and dicotyledonous seeds.

Answer 17

monocotyledonous- maize, grasses

dicotyledonous- pea, gram, bean

Question 18

What are the 7 parts of the beanseed and what does and embryo consist of?

Answer 18

Testa, Tegmen, Hilum, Cotyledons, Embryo, Epitcotyl, Hypocotyl. Embryo consists of radicle and plumule

Question 19

What are the 2 functions of micropyle?

Answer 19

Pg 48

Question 20

What are the 2 main uses of water?

Answer 20

Pg 49,50

Question 21

What are the different parts of a maize grain?

Answer 21

Epithelial layer, aleurone layer, embryo, coleorhiza, coleptile, scutellum

Question 22

When does a seed undergo physiological maturation?

Answer 22

A seed undergo physiological maturation when it passes through a period of dormancy.

Question 23

Differenciate between epigeal and hypogeal germination.

Answer 23

Pg 51

Question 24

What is the use of Pyrogallic acid?

Answer 24

Absorbing of oxygen.

Question 25

Why we cannot conduct an experiment on plant respiration during daytime?

Answer 25

Pg 60

Question 26

Explain the process of Hypogeal germination in maize grain.

Answer 26

Pg 52

Question 27

Explain viviparous germination.

Answer 27

Pg 52

Question 28

Differenciate between Bean see and Maize grain.

Answer 28

Pg 49

Question 29

Define a flower.

Answer 29

Flower is a specialized shoot in which the leaves are modified into floral structures.

Question 30

Define bract.

Answer 30

Pg 34

Question 31

Define nectaries.

Answer 31

Pg 34

Question 32

What are the examples of: - Bisexual flowers - Unisexual flowers - neutar flower

Answer 32

- Bisexual flowers- hibiscus,rose lily - Unisexual flowers- papaya, palm - neutar flower- ray florets of sunflower( pisstilate but sterile)

Question 33

Bisexual flower are also called as____.

Answer 33

Hermaphrodite flower.

Question 34

In which flower there are second seriers of speal and what are they called?

Answer 34

Hibiscus. They are called episepals, collectively called epicalyx.

Question 35

1. Name a flower which has double whorl of petals. | 2. Name a flower which are arranged spirally.

Answer 35

1. Poppy | 2. Water lily

Question 36

What are the examples of Monadelphous, Didelphous and Polydelphous flowers.

Answer 36

Monadelphous: china rose, cotton Didelphous : pea Polydelphous: Bombax

Question 37

In androecium, stamens which are free are called as____. Give example.

Answer 37

Polyandrous | Petunia

Question 38

Explain about gyneocium.

Answer 38

Pg 35

Question 39

Deifne Monoecious and Dioecious plants with examples.

Answer 39

Monoecious- Male and female flowers grow on the same plant ex: maize,cucumber, pumpkin Dioecious- Male and female flower grow on different plants. ex: palm, papaya.

Question 40

Define infloroscence and explain its types.

Answer 40

Pg 36

Question 41

What is placentation?

Answer 41

Pg 36

Question 42

Define cleistogamous and chasmogamous flowers with examples

Answer 42

cleistogamous flowers- pea, pansy etc | chasmogamous flowers- Oxalis, Hibiscus etc.

Question 43

1. Plants which contains both male and female flowers. | 2. Plants which have male and female flowers on different plants.

Answer 43

1. cucumber, gourd | 2. palms, papaya

Question 44

protandry flowers example | protogyny flowers example

Answer 44

protandry flowers-Lady finger, sweet pea, sunflower | protogyny flowers- custard apple

Question 45

self-sterility examples

Answer 45

ray florers of sunflower, orchids

Question 46

Herkogamy examples

Answer 46

Pansy

Question 47

Heterostyly examples

Answer 47

primrose,oxalis

Question 48

What are the different petals in a flower?

Answer 48

Standard petal, Wing petal, Keel petal

Question 49

What are the cells in the embryo sac?

Answer 49

pg 44

Question 50

Explain the process of fertilization

Answer 50

Pg 44

Question 51

Adipose tissue is found in?

Answer 51

forms padding under the skin and around kidneys, eye ball etc

Question 52

Where are unstraited muscles found?

Answer 52

Iris of the eys, skin, lining of blood vessels, urinary bladder, uterus etc

Question 53

Explain about Supporting and Conducting tissue.

Answer 53

Pg 24,25,26