2. Read the passage given below and answer the questions that follow
bler
(2x4+1x4=12
Overpowering prey is a challenge for creatures that do not have limbs Some species like Russell's viper inject porton
Some others opt for an alternative non chemical method - rat snakes, for instance, catch and push their prey against
the ground, while pythons use their muscle power to crush their prey to death But snakes can't be neatly divided into
poisonous and non poisonous categories
rre Ravi
Outdoor G
complet
Even species listed as non poisonous aren't completely free of poison. The common Sand Boa, for instance, produce
secretions particularly poisonous to birds. So the species doesn't take any chance - it crushes its prey) and injects
poison as an extra step
55
Ate
Da vipers need poison powerful enough to kill hundreds of rats with just one drop? After all, they eat only one or
Iwo at a time
While hunting animals try their worst to kill most efficiently, their prey use any trick to avoid becoming a meal, such
as developing Immunity to poison) For instance, Californian ground squirrels are resistant to Northern Pacific
rattlesnake poison
Competition with prey is not the only thing driving snakes to evolve more and more deadly poison. Snakes also
struggle to avoid becoming prey themselves.
Some snake killers have partial immunity to poison Famously, mongooses are highly resistant to cobra poison, and
with their speed and agility, kill snakes fearlessly. It would be the death of cobras as a species if they didn't evolve a
more deadly polson to stop mongooses
Poison has another important role. It's an extreme meat softener, specific enzymes break up the insides of the prey
Normally, a reptile depends on the sun's warm rays to aid digestion.
But I wonder if we cannot use venom in our favour. In remote parts of India, local hospitality often involves leather
tough meat I chew and chew until my jaws ache ispit it out or refuse, our hosts would be offended, I swallow like
a python stuffing a deer down its throat and hope I don't choke. If only I had poison
2.1 Read the questions given below and answer any four in 30-40 words each,
a Russell viper and rat snake have different methods to attack prey How?
b. How does Sand Boa kill its prey?
There is a constant tussle between the hunting animal and its prey? Why?
What makes mongoose a snake predator?
What difficulty does the writer face when he is entertained in the remote parts of India?
Answers
Answer:
a. Russell viper and rat snake have different methods to attack prey. Russell viper injects poison whereas rat snakes catch and push their pray against the ground.
b. The common Sand Boa produce
secretions particularly poisonous to birds. So the species doesn't take any chance - it crushes its prey) and injects
poison as an extra step.
c. there is constant tussle between the hunting animal and its prey becausethe hunting animal wants food to eat and the prey wants to protect itself from the hunting animal.
d.mongooses are highly resistant to cobra poison, and
with their speed and agility, kill snakes fearlessly. It would be the death of cobras as a species if they didn't evolve a
more deadly polson to stop mongooses.
Answer:
1st opt.over confidence
2nd '' . certainty
3rd . dilemma (correct answer)0%
4th .ignorance