Lifespan

A

Is a specific trait of each organism

B

Is always correlated to the size of an organism

C

is about 60 minutes in E. coli

D

Of crow is more than parrot

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Direction :- A series is given with one term missing. Select the correct alternative from the given ones that will complete the series. ?, Lifelike, Lifeline, Lifelong (A) Lifeless (B) Lifespan (C ) Lifelost (D) Lifework

Read the following five statement about lifespan ( A to E) and select the options with all correct statements: (A) The peroid from birth to the natural death of an organism represents its life span . (B) Life span of organisms are correlated with their sizes. (C) The sizes of crows and parrots are not very differnet yet their life spans shown a wide difference. (D) A mango tree has a much shortes life span as compared to a peepal tree. ltbr gt (E) All higher oragnsims are immortal, they have no natural death .

read the following statements w.r.t. growth in living organisms. (a).In plants growth by cell division occurs continuously throughout their lifespan. (b) growth is a defining property of living organism. (c) cell division occurs in certain tissues to replace lost cells. (d) increase in body mass is considered as growth. (e) in majority of higher animals and plants and in unicellular organisms, growth and reproduction are mutually exclusive events. select the correct option.

Question Stimulus DIRECTIONS: Read the following passage carefully and complete the following sentences. Smoking is defined as the act of smelling or inhaling the smoke of a substance, mostly tobacco. Cigarettes, pipes and hookahs are the most popular methods of smoking and hence, also the most injurious smoking elements for health. Smoking has been known to cause many problems. Not only is it a major cause of pollution but it also is one of the leading causes of premature death in developed countries. Smoking can lead to many kinds of heart and lung diseases, two of the most essential organs of the human body. Different kinds of cancers are caused by smoking, the most common being lung and throat cancer. Smoking can also decrease the body's immunity system. Due to this, a smoker is more prone to diseases such as bronchitis and pneumonia as compared to a non­smoker. The commonly used slogans to educate people that smoking is injurious to health are usually right. On an estimated average, smoking takes away between 5 to 20 minutes of a person's lifespan with every cigarette. Smoking can cause weaker bones and yellow teeth. Wrinkling and bad skin can also occur with time. Stamina is also reduced due to decreased blood circulation leading to rapid heartbeat and shortage of breath. There are also many other day­to­day issues related with smoking such as bad breath as well as bad smell from hair and hands. The human body knows that smoking is injurious to health; therefore, it tries to counter it at the start. That is why coughing, sore throat, nausea and other negative feelings are aroused in the body when a person tries to smoke the first time. So, one should try to stay away from smoking What is the meaning of the word ‘injurious’?

Choose the correct statement. Br a. Fitness has a genetic basis. Br b. Fitness is the end result of the ability to adapt and get selected by nature. Br C. The rate of appearance of new forms is not linked to the life cycle or lifespan of organisms. Br d. According to Lamarck elongated neck of Giraffes is acquired character and passed to the succeeding generation.

AAKASH INSTITUTE-TEST 5-EXAMPLE
  1. All are features of hormones except

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  2. Air borne odour molecules are detected in

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  3. Lifespan

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  4. Select the correct match w.r.t. the vegetative propagules.

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  5. Plants like bryophytes, pteridophytes, gymnosperms and angiosperms ar...

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  6. Mark the incorrect statement.

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  7. Which of the given structures/modes of reproduction does not produce g...

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  8. For the common features between chara and Marchantia are (a) Dioeciou...

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  9. Mark the odd one w.r.t. the post fertilisation events occurring in a f...

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  10. A typical angiospermic anther is (a) Bilobede (b) Dithecous (c) Tetrag...

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  11. The cells of anther wall layer which nourish the developing pollen gra...

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  12. If a typical angiospermic anther has 25 microspore mother cells in its...

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  13. Mark the statement which is not correct for pollen grains.

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  14. Which of the given functions is not performed by nucellus?

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  15. The most common ovule found in 82% of angiosperms is not related to th...

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  16. Choose the statement which is correct for monosporic female gametophyt...

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  17. Which of the following features promote the chances of cross pollinati...

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  18. Plants like papaya and date palm show

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  19. Select the characteristics of wheat and maize plants. (1) Colourful, f...

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  20. Choose the odd one w.r.t. reward for insects in entomophily.

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