Which one among the following Indian scientist proposed a theory for long distance transport of water in plants?

Mrs. Jansen recently moved to Arizona. She wants to fill her new backyard with flowering plants. Although she is an experienced gardener, she isn't very well-versed in what plants will do well in the Arizona climate. Also, there is a big tree in her backyard making for shady conditions and she isn't sure what plants will thrive without much direct sunlight. Her favorite gardening catalog offers several backyard seed packages. Which one should Mrs. Jansen choose?

A

The Rainbow Collection is ideal for North-east gardens. It includes a variety of colorful perennials that thrive in cool, moist conditions.

B

The Greenhouse Collection will blossom year after year if planted in brightly lit locations and watered regularly.

C

The Treehouse Collection will provide lush green plants with delicate colorful flowers that thrive in shady and partially shady locations.

D

The Oasis Collection includes a variety of perennials that thrive in dry climates and bright sunlight.

A garden has to plant tress in rows containing equal number of trees. If he plants in rows of 6,8,10 or 12. then five tress are ledt unplated. But if he plants in rows of 13 tress each, then no tress is left. What is the number of tress that the gardener plants?

A

485

B

854

C

725

D

625

Floriculture is the art, scientist, and business of growing ornamental plants.

A

scientist

B

business of

C

growing

D

ornamental plants

The theory of relativity is presented by which scientist

A

Albert Einstein

B

Isaac Newton

C

Stephen Hawking

D

Marie Curie

The scientist talked ______ his new theory.

A

with

B

at

C

about

D

to

The following information pertains to X Ltd. (1) Equity share capital called up TK. 10,00,000; (2) Calls in arrear TK. 50,000 (3) Calls in advance TK. 20,000 (4) Proposed dividend 10% . The amount of proposed divided payable is -

A

TK. 95,000

B

TK. 90,000

C

TK. 98,000

D

TK. 1,00,000

Roni can walk a certain distance in 410 days when he rests 9 hours a day. How long will be take to walk twice the distance, twice as face and rest tvwice as long each day?

A

35 days

B

55 days

C

100 days

D

80 days

একজন অ্যাথলেট পৃথিবীতে দীর্ঘ লাফ দিয়ে সর্বোচ্চ 4 m দূরত্ব যেতে পারেন। এই অ্যাথলেট চাঁদের পৃষ্ঠে দীর্ঘ লাফ দিয়ে সর্বোচ্চ কত দূর যেতে পারবেন ? [পৃথিবীর ভর ও ব্যাসার্ধ চাঁদের ভর ও ব্যাসার্ধের যথাক্রমে 81 গুণ ও 4 গুণ] (An athlete can cross a maximum distance 4 m by a long jump on earth surface. What is the maximum distance the athlete can cross by a long jump on moon's surface? [The mass and radius of earth are 81 times and 4 times of moon's mass and radius, respectively.])

A

0.79m

B

9 m

C

20.25 m

D

16 m

E

32.35 m

With a uniform speed , a car covers a distance in 8 hours . Had the same distance could have been increased by 4 km/hr. The same distance could have been covered in 7 hours and 30 minutes. What is the distance covered?

A

420 km

B

480 km

C

520 km

D

640 km

Which one of the following statements about transport mechanism in plants is correct?

A

Diffusion of ions and small molecules across cellmembrane requires energy

B

Active transport of ions and small molecules across cell membrane against concentration gradient requires energy

C

Cells conserve energy and no energy is required for transport of ions and small molecules against concentration gradient

D

Cells do not transport ions across their membrane as these are charged molecules

Which one among the following Indian scientist proposed a theory for long distance transport of water in plants?

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