Part 4 | Botany MCQ for Odisha SSB 2024 | MSc entrance and assistant professor

Summary

The video presents a series of multiple-choice questions focused on botany and microbiology, covering topics such as plasmids, the annual recurrence of wheat rust in India, and the properties of chlorophyll and lysosomes. Key figures in the study of these subjects, including K.C. Mehta and Christian de Duve, are mentioned alongside essential concepts like the C4 cycle and the discovery of bacteria. The session concludes with an invitation for viewers to join a comprehensive preparation course for MSc Botany entrance exams, emphasizing daily classes, practice papers, and round-the-clock doubt resolution.

Takeaways

• 😀 Plasmids are extra-chromosomal materials primarily found in bacteria, first introduced by Lederberg.
• 😀 K.C. Mehta is credited with studying the annual recurrence of wheat rest in India.
• 😀 Floridean starch, used as a reserve food material, is stored in Rhodophyceae (red algae).
• 😀 The phenomenon of red snow is caused by Cladophora nivalis.
• 😀 Kelp belongs to the Phaeophyceae (brown algae) group.
• 😀 The term 'algae' was coined by Linnaeus.
• 😀 Chlamydomonas is found in freshwater and stagnant water environments.
• 😀 Chloroplasts in Chlamydomonas are cup-shaped.
• 😀 Ginkgo biloba is recognized as a living fossil.
• 😀 Bacteria were discovered by Leeuwenhoek.
• 😀 Lysosomes were discovered by Christian de Duve.
• 😀 Magnesium is the element located at the center of chlorophyll molecules.
• 😀 Chromatid separation during meiosis occurs in Anaphase II.
• 😀 Chlorine plays an essential role in photosynthesis.
• 😀 The C4 cycle was discovered by Hatch and Slack.
• 😀 The first stable product of CO2 fixation in the Calvin cycle is 3-phosphoglyceric acid (PGA).
• 😀 Stephen Hales is known as the father of plant physiology.
• 😀 Rafflesia is identified as the plant with the biggest flower, categorized as a total root parasite.

Q & A

What is a plasmid and who coined the term?

A plasmid is an extra chromosomal material generally found in bacteria. The term 'plasmid' was introduced by Lederberg.

Who studied the annual recurrence of wheat in India?

The study of annual recurrence of wheat in India was conducted by K.C. Mehta.

In which group of algae is fluoridian starch stored?

Fluoridian starch is stored in Rhodophyceae, commonly known as red algae.

What causes red snow?

Red snow is caused by the presence of the alga Cladophora nivalis.

What are kelps classified as in the plant kingdom?

Kelps are classified as members of Phaeophyceae, also known as brown algae.

Which scientist is recognized for discovering bacteria?

Bacteria were discovered by Antonie van Leeuwenhoek.

What element is found at the center of the chlorophyll molecule?

Magnesium is the element that is central to the chlorophyll molecule.

What is the first stable product of CO2 fixation in the Calvin cycle?

The first stable product of CO2 fixation in the Calvin cycle is 3-phosphoglyceric acid (PGA).

Who is known as the father of plant physiology?

Stephen Hales is known as the father of plant physiology.

Which plant has the biggest flower and what type of parasite is it?

The plant with the biggest flower is Rafflesia, which is a total root parasite.