December 1, 2014

10th Biology New Syllabus - Nutrition Important Questions for AP and Telangana Students

According to the new frame of the question paper, it is proposed that
textual questions shall not be asked and other thing is that, a
question once asked in an exam should not be repeated in any other
exam. Therefore, it is very important that the concept should be
understood thoroughly and questions should be prepared according to
the concept. To prepare questions on own, you need to study the lesson
first. Then divide the total concept into bits and focus on concept
wise analysis and preparing questions.

For example, in Nutrition lesson, 19 pages are allotted for the lesson
wise concepts. Each concept is dealt according to the Academic
standards. Go through the concept and understand it well. Listen to
the lesson in such a way that you are not left with any doubt
regarding the concepts. Clear all your doubts with your subject
teacher or any other source. Divide the concept into bits and form
questions for each concept.

Once you understand the concept, you will know how to answer it.
Divide the questions into types like 2 marks/ 4 marks/ 1 mark
questions. Do not panic that you are short of time. Plan things in an
order and you will not find it hard to concentrate on conceptual
learning and revision. If you write your running notes well, you are
half done with your task.

Leave spaces for preparing questions while you write your running
notes. In the spaces provided, you can write questions. Even your
doubts can be transformed into questions. You do not need to answer
separately if you do like this.

Q: What are the modes of nutrition? Explain in a tabular form. (4 Marks)

Autotrophic nutrition: In Autotrophic nutrition, food (organic
materials) is synthesized from inorganic materials.

Heterotrophic nutrition: In Heterotrophic nutrition, organisms eat
ready - made complex organic food obtaining energy for metabolism.
There are four types of heterotrophic nutrition - saprophytic,
parasitic, symbiotic, and insectivorous.

Saprophytic nutrition: In Saprotrophytic nutrition, organisms
(decomposers) eat the dead bodies of other organisms and liberate
energy for their own use.

Symbiotic nutrition: In this process, they break down complex organic
matter from the dead bodies of organisms that releases vital elements
that are absorbed by the autotrophs.

Insectivorous nutrition: In Symbiotic nutrition, two different
organisms live together. They share shelter and nutrients. In
insectivorous nutrition, plants are autotrophic but obtain food from
insects. They obtain organic matter as well as animal nitrogen from
the insects.

Parasitic nutrition: In parasitic nutrition, organisms live in or on
other living organisms, which are called as hosts. They derive
nutrition and shelter from the hosts. Parasitic nutrition may harm the
host plant.

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