Molecules move in opposite direction across the membrane by the means of a transport protein, such movement is called
1. Biport
2. Symport
3. Antiport
4. Uniport
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyMolecules moves across a membrane independent of other molecules, by the means of membrane protein, the process is called
1. Biport
2. Symport
3. Uniport
4. Antiport
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyActive Transport
Which of the following is wrong?
1. Uses energy to transport
2. Uses energy to pump molecules against a concentration gradient
3. Carried out by specific membrane proteins
4. Substances are transported from a high concentration to low concentration
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyMembrane proteins are for
1. Uphill transport
2. Downhill transport
3. Uphill as well as downhill transport only
4. For Facilitated Diffusion only
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyTransport proteins are
1 .Specific
2. Sensitive to inhibitors
3. Show saturation
4. All of these
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich of the following is not a common characteristic between Active transport and Facilitated Transport?
1. Use of ATP
2. Highly selective
3. Liable to saturate
4. Under Hormonal Regulation
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWater
Which one is wrong for Water.
1. Provides a medium in which different substances are dissolved
2. Makes 92% part of watermelon
3. Makes 30-45% part of most herbaceous plants
4. Present in dry seeds as well
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyTranspiration
1. Loss of water in soil
2. Loss of minerals in soil
3. Loss of water to the air from the leaves
4. Loss of organic substances because of photorespiration
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyA mature corn plant absorbs…….. of water in a day while a mustard plant absorbs water equal to its own weight in about……..
1. 5L, 3hours
2. 3L, 5 hours
3. 5L, 5 hours
4. 3L, 3 hours
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWater is often a major limiting factor in
1. Photosynthesis
2. Respiration
3. Photorespiration
4. Plant Growth and Productivity
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology