নিম্নের কোন একবীজপত্রী উদ্ভিদে গৌণবৃদ্ধি ঘটে ?(In which one of the following monocot plants secondary growth takes place?)

নিম্নের কোন একবীজপত্রী উদ্ভিদে গৌণবৃদ্ধি ঘটে ?(In which one of the following monocot plants secondary growth takes place?) সঠিক উত্তর Dracaena

উদ্ভিদের গৌণ ভাজক কলা মাইটোসিস প্রক্রিয়ায় বিভাজিত হয়ে উদ্ভিদ অঙ্গের প্রস্থে বৃদ্ধি ঘটালে তাকে গৌণ বৃদ্ধি বলে। গৌণবৃদ্ধি দ্বিবীজপত্রী উদ্ভিদে ঘটে থাকে। কিন্তু Dracaena নামক একবীজপত্রী উদ্ভিদে গৌণবৃদ্ধি ঘটে |
ঢাকা বিশ্ববিদ্যালয় জীববিজ্ঞান নগ্নবীজী ও আবৃতবীজী উদ্ভিদ (সপ্তম অধ্যায়) ক ইউনিট ২০১৪-২০১৫
শেয়ার করুন বন্ধুর সাথে

বিসিএস, ব্যাংক, প্রাইমারি সহ সরকারি বেসরকারি চাকুরীর পরীক্ষার প্রস্তুতির জন্য ডাউনলোড করুন Bissoy অ্যাপ

Related MCQ's

A monocot can’t show secondary growth whereas dicot exhibit secondary growth.

Consider the following statements and choose the correct answer:
1. Intense or strong light retards the growth of shoot
2. Shade plants are shorter and stockier than sun plants
3. Shade plants have dense covering of hairs while sun plants are less hairy
4. The stems of shade plants are taIler and more branched than that of sun plants

Consider the following statements.
1. When evaporation takes place, cooling takes place.
2. Evaporation takes place at all temperature, boiling takes place only at the boiling point.
3. Evaporation is a surface phenomenon.
Which of the statements given above is/are true?

Suppose you can travel from a place A to a place B by 3 buses, from place Bto place C by 4 buses, from place C to place D by 2 buses and from place D to place E by 3buses. In how many ways can you travel ?from A to E?

Consider the following statements and choose the correct answer:
1. The C4 plants can absorb CO2 even from a much low CO2 concentration when the C3 plants fail to avail it
2. The C4 plants require less energy to fix CO2 as compared to C3 plants
3. C4 plants are better adapted to tropical and desert areas where sunlight is more intense and the growing season is longer
4. Maize is a C4 plant

S1:Palaeobotany is the study of fossil plants preserved in rocks dating back in millions of years.
P :Records of the history of the world are contained in fossils.
Q :Through the ages, plants have evolved from simple to more complex forms.
R :First there were water plants then land plants appeared during the Paleozoic era.
S :But since the fossil remains appear locked in rock layers, they are closely related to the geologist area of investigation.
S6:The fossil plants indicate the age of the rock, and also point to facts regarding climate, temperature and topography.

The Proper sequence should be:

Study the following statements.
1. Glycolysis takes place in cytoplasm.
2. Kreb's cycle takes place in mitochondria.
3. Electron transport chain takes place in mitochondria.
Which of the statements given above are true ?

Consider the following statements and choose the correct answer:
1. The effects of biotic factors include interactions amongst plants growing in a community, between plants and animals including man and between plants and soil-microorganisms
2. In a densly populated area, one of the most important types of biotic factors influencing vegetation is due to man's multifarious activities - this is noted in farming operations
3. Change or destruction of vegetation by fire is a direct biotic effect due to man's activities
4. In many cases different plant groups, plants and bacteria live in mutual benefit - this is called symbiosis in which each partner derives some benefit from the other

In a public bathroom there are n taps 1,2,3...n. Tap1 and Tap2 take equal time to fill the tank while Tap3 takes half the time taken by Tap2 and Tap4 takes half the time taken by Tap3. Similarly each next number of tap takes half the time taken by previous number of Tap i.e, K-th Tap takes half the time taken by (K-1)th Tap.If the 10th tap takes 2 hours to fill the tank alone then what is the ratio of efficiency of 8th tap and 12th tap, respectively?

Jay wants to buy a total of 100 plants using exactly a sum of Rs 1000. He can buy Rose plants at Rs 20 per plant or marigold or Sun flower plants at Rs 5 and Re 1 per plant respectively. If he has to buy at least one of each plant and cannot buy any other type of plants, then in how many distinct ways can Jay make his purchase?

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