RRB Technician Grade 3 General Awareness Tamil | General Awareness & Static GK Questions #7

Summary

This educational session covers a variety of biology-related questions and answers, focusing on topics such as plant reproduction, cell organelles, and the basic principles of genetics. The session explores concepts like pollination, vegetative propagation, the function of mitochondria, and the process of transcription. Additionally, the script references important historical figures, such as Robert Hooke, and provides insights into various cellular processes, aiming to engage and inform students on key biological concepts. The session is structured with clear, concise explanations for each question, offering a comprehensive overview of the subject matter.

Takeaways

• 😀 The video begins with a brief introduction to some important information and updates related to various fields like banking and engineering.
• 😀 The first question discusses the type of reproduction that occurs in Hydra, with Option B being the correct answer.
• 😀 The second question focuses on identifying the male part of a flower, where Option B is the correct response.
• 😀 Question number three talks about how sterility in plants occurs, with the correct answer being that certain plants reproduce with the help of spores.
• 😀 In the fourth question, pollination by wind is discussed, and the correct answer is the instrument used to measure wind speed, with Option C being the right choice.
• 😀 Question five addresses the concept of parthenocarpy, where the development of a fruit without fertilization is discussed, and the correct answer is Option B.
• 😀 The sixth question explains the yellow dust present in flowers, which is called pollen, with Option B being the correct answer.
• 😀 The ninth question discusses vegetative propagation as a type of asexual reproduction in which new plants are produced from roots, stems, or leaves.
• 😀 Question ten talks about DNA storage in cells, specifically mentioning mitochondria as the key organelle that stores genetic material.
• 😀 In the 12th question, mitochondria are identified as the organelles responsible for energy production within cells, making them the powerhouse of the cell.

Q & A

What type of reproduction occurs in Hydra?

Hydra reproduces asexually by budding.

Which is the male part of a flower?

The male part of a flower is called the stamen.

How do spores help in the reproduction of some plants?

Spores help in the asexual reproduction of plants like ferns and mosses by dispersing and germinating into new individuals.

What instrument measures the speed of the wind?

The instrument used to measure wind speed is called an anemometer.

What is the term for the development of a fruit without fertilization?

The term for the development of a fruit without fertilization is parthenocarpy.

What is the yellow dust present in the middle of a flower called?

The yellow dust present in the middle of a flower is called pollen.

What is the sticky surface at the top of the pistil that traps and holds pollen?

The sticky surface at the top of the pistil is called the stigma.

What type of asexual reproduction involves new plants being produced from roots, stems, or leaves?

Vegetative propagation is the type of asexual reproduction in which new plants are produced from roots, stems, or leaves.

Where is DNA primarily stored in a cell?

DNA is primarily stored in the nucleus of the cell.

Who coined the term 'mitochondria'?

The term 'mitochondria' was coined by Carl Benda.

Which cell organelle is responsible for storing, modifying, and packaging proteins and other molecules?

The Golgi apparatus is responsible for storing, modifying, and packaging proteins and other molecules.