Mumbai

Diljot Kohli replied | 2 days ago

These are the best ones used by professional trainers in India and worldwide:

1. For TEACHING METHOD - Must have for any teacher

• How to Teach Speaking by Scott Thornbury
• English Grammar in Use by Raymond Murphy

2. For FLUENCY & DAILY CONVERSATION - Best for students

Rapidex English Speaking Course - R. K. Gupta

3. Spoken English (A Manual of Speech Communication) by R.K. Bansal & J.B. Harrison

4. For VOCABULARY & CONFIDENCE BUILDING

 Word Power Made Easy by Norman Lewis

5. The Art of Public Speaking by Dale Carnegie

6. English Conversation Practice by Grant Taylor

My Recommended Combo for a Teacher:

Student Level Books to Follow

Beginner: Rapidex + Bansal & Harrison + Your own Hindi-English notes

Intermediate: Raymond Murphy + Word Power Made Easy + Grant Taylor Dialogues

Advanced: Michael Swan + Dale Carnegie + Thornbury

Manish Rahatekar replied | 1 day ago

The best books i refer to while teaching spoken English skills are 

Habit Of Winning: Stories to Inspire, Motivate and Unleash the Winner Within by Prakash Iyer. 

The Secret of Leadership: Stories to Awaken, Inspire and Unleash the Leader Within by Prakash Iyer.
These are written in simple english. easy to understand and implement. Hope this helps.

Saurabh replied | 3 days ago

a) Chromosomes in a pollen mother cell
A pollen mother cell (PMC) is diploid (2n).= 24 Chromosome 

b)Chromosomes in each microspore after meiosis

Meiosis reduces the chromosome number to haploid (n). = 12 Chromosome 

c) Meiotic divisions required to produce 100 pollen grains

One pollen mother cell undergoes one meiosis and produces 4 microspores.

Number of PMCs required:

Each PMC undergoes one meiotic division.

Answer: 25

d) Total mitotic divisions for 100 mature male gametophytes

Each microspore undergoes:

1st mitotic division → vegetative cell + generative cell

2nd mitotic division of generative cell → 2 male gametes

So, 2 mitotic divisions per microspore.

For 100 microspores:

100×2= 200mitotic division 

Pawan Agarwal replied | 2 days ago

A flowering plant has $2n=24$ chromosomes. So, $n=12$.

a) Chromosomes in a pollen mother cell (PMC):

• A pollen mother cell is diploid.

• Hence, it will have $2n=24$ chromosomes. Answer: 24

b) Chromosomes in each microspore after meiosis:

• Meiosis reduces chromosome number to half.

• Each microspore will have $n=12$ chromosomes. Answer: 12

c) Number of meiotic divisions to produce 100 pollen grains:

• Each pollen mother cell undergoes meiosis → produces 4 microspores (pollen grains).

• To produce 100 pollen grains:

Answer: 25

d) Total mitotic divisions for 100 mature male gametophytes:

• Each microspore undergoes 1 mitotic division → forms vegetative cell + generative cell.

• Generative cell undergoes 1 more mitotic division → forms 2 male gametes.

• So, each microspore requires 2 mitotic divisions in total.

• For 100 microspores (pollen grains):

Answer: 200

Yagnesh replied | 3 days ago

Please don't feel that you have to start learning English all over again. You already have years of experience studying and teaching it. After being away from work for 12 years, it is natural to feel a little rusty and lose confidence.

Start slowly. Spend 15–20 minutes every day revising basic grammar and another 15 minutes speaking in English about your daily life. Read a little, listen to English conversations, and try explaining simple grammar topics aloud as if you are teaching a student.

Don't worry about making mistakes. With regular practice, your confidence will gradually come back. You already have the foundation—you just need to bring it back through practice.