Roots

Question 1

Roots are

Answer 1

Descending axis of a plant

Question 2

Roots develop from

Answer 2

Radical of germinating seeds

Question 3

Root is

Answer 3

Positively geotrophic

Question 4

Root is negatively

Answer 4

Photographic

Question 5

Root is positively

Answer 5

Hydrotrophic

Question 6

Positively geotrophic

Answer 6

Growing with the direction of gravity that is downwards

Question 7

Negatively geotrophic

Answer 7

Growing against the direction of gravity that is upwards

Question 8

Positively phototrophic

Answer 8

Growing towards light

Question 9

Negatively phototrophic

Answer 9

Growing away from light

Question 10

Positively hydrotrophic

Answer 10

Growing towards presence of moisture

Question 11

Negatively hydrotrophic

Answer 11

Growing away from presence of moisture

Question 12

Roots are of two types

Answer 12

Tap roots and Adventitious roots

Question 13

Tap roots are seen in

Answer 13

Dicots

Question 14

Adventitious roots are seen in

Answer 14

Monocots

Question 15

Adventitious roots are also known as

Answer 15

Fibrous roots

Question 16

Basic functions of root

Answer 16

Anchoring and supporting plant , absorbing water and minerals, storing food

Question 17

Aerating roots

Answer 17

Roots rising above ground

Question 18

Aerating roots are seen in

Answer 18

Mangroves

Question 19

Aerial roots

Answer 19

Roots entirely above ground for water and nutrition intake

Question 20

Aerial roots are seen in

Answer 20

Orchids

Question 21

Structural roots

Answer 21

Provide mechanical structure to huge plants

Question 22

Structural roots are seen in

Answer 22

Banyan

Question 23

Storage roots

Answer 23

Roots modified for storage of food

Question 24

Storage roots are seen in

Answer 24

Sweet potato

Question 25

Stilt roots

Answer 25

Adventitious support roots which grow down from lateral branches

Question 26

Stilt roots are seen in

Answer 26

Maize

Question 27

Columnar roots

Answer 27

Grow from branches down to the soil , appear like hanging roots

Question 28

Columnar roots are seen in

Answer 28

Banyan

Question 29

Parasitic roots

Answer 29

Roots which grow on other plants and take their nourishment

Question 30

Parasitic roots are seen in

Answer 30

Cuscutta