The Olive Ridley Turtle Questions and Answers, Chapter 14, Class 7, Conquer English Course Book

THE OLIVE RIDLEY TURTLE

READ AND ANSWER

A. 1. There are a number of difficult words in the account given above. You don't have to consult a dictionary. Find the meanings of these words in the account and complete the table.

a. habitats - Place in which animals live.

b. carapace - Hard, heart shaped shell of a turtle

c. scutes - The keratin plates of on the top of a flatting carapace

d. keratin - A substance which your fingernails and cattle horns are made of

e. plastron - Abdominal region of turtles

f. invertebrates - Creatures that do not have back bones

g. captive studies - Observed by researches in aquariums

h. cannibalistic behaviour - When they prey on their own species

i. arribada - A Spanish term meaning 'arrival'

j. synchronizing - Doing the same activity all at the same time in large number

k. hatchlings - baby turtles

1. rookeries - Breeding places

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m. radio transmitters - Devices to help tracking movement and helps in research providing movement.

A. 2. Tick the most appropriate answers.

a. Where do Olive Ridley turtles normally live?

1. Olive ridley turtles live in the warm waters of the Atlantic, Pacific and Indian nOceans.
2. Olive ridley turtles live within 15 km of the mainland, in the protected shallow warm waters of the Atlantic, Pacific and Indian Oceans.
3. Close to the shores of the mainland, in the protected waters of the Atlantic, Pacific and Indian Oceans
4. Near the mainland in the protected waters of the Atlantic, Pacific and Indian Oceans

Answer: 2

b. What do olive ridley turtles feed on? 

1. Olive ridley turtles feed on sea urchins, jellyfish, snails, crabs, shrimp, worms, fish and fish eggs.
2. Invertebrates, algae and other turtles
3. Olive ridley turtles are omnivorous. They eat algae and other turtles.
4. Olive ridley turtles eat sea urchins, jelly fish, snails, crabs, shrimp, worms, fish, fish eggs, algae, seaweed and sometimes other turtles also. 

Answer: 4

c. What happens after the olive ridley female turtle has laid her eggs?

1. After the eggs are laid, the female olive ridley turtle covers the nest with sand.
2. The eggs having been laid, the female olive ridley returns to the sea. 
3. After laying the eggs, the female olive ridley covers the nest with sand and returns to the sea.
4. The female olive ridley lays her eggs and goes back to her natural habitat. 

Answer: 4

d. What happens after the female turtles leave their nests and return to the sea?

1. The eggs remain in the nest for 45 to 65 days after which the eggs break open and the hatchlings start the long walk to the sea.
2. The eggs remain in the nests till they hatch and then the baby turtles go to the sea. 
3. The eggs hatch after 45 to 65 days, the hatchlings then go to their new home.
4. After the eggs have been in the nest for up to 65 days, they hatch and baby turtles emerge and get ready to go to the sea.

Answer: 1

A. 3. Answer the following questions: 

a. Why is the olive ridley turtle called the most abundant sea turtle?

Answer: In the wild, the life span of the olive ridley turtle is about fifty years and there are an estimated 8,00,000 nesting females annually.

b. What could be the reason for this breed of sea turtle being called the olive ridley? 

Answer:  They probably got the name 'Olive-ridley' from the olive-green colour of their name.

c. What is the weight and length of an olive ridley turtle?

Answer: Olive ridley turtles weighs 25 to 50 Kgs and has an average length of 60 to 70 cm. 

d. From where do olive ridley turtles get the oxygen they require to remain alive?

Answer: When active, they have to come up to the of the of the sea, as they can't breathe under-water. They come up every few minutes to breathe in rapidly. When they are resting, they can   remain underwater for as long as two hours without breathing. When they come up, they exhale explosively.

e. Why is the trip the baby turtles make to the sea not smooth sailing?

Answer: The trip the baby turtles make to the sea is not smooth sailing because Jackals, hyenas, dogs and crabs and man prey on these baby turtles.

f. How have the WWF and the fishermen helped to keep the olive ridley turtles safe?

Answer: The WWF and the fisherman have helped by making themselves responsible for protecting the baby turtles. Attempts have been made to protect olive ridley rokries or breeding places, by fencing off these areas.

g. Where is the world's largest rookery of olive ridley turtles situated?

Answer: The world's largest-known olive ridley rookery is at the Gahirmatha Marine wild life sanctuary in Kendrapara district of Odisha, which includes Gahirmatha Beach and the adjacent portion of the Bay of Bangal.