CBSE > Class 11 | CBSE Board | Homework Help

Admission Test Physics Chemistry Biology Mathematics Applied Maths Accountancy Economics Business Studies English Core हिंदी कोर History Political Science Geography Sociology Psychology Physical Education Computer Science Informatics Practices Painting Reasoning & Mental Ability Legal Studies गणित लेखाशास्त्र जीव विज्ञान व्यवसाय अध्ययन मनोविज्ञान रसायन विज्ञान भौतिक विज्ञान English Elective NCERT हिंदी ऐच्छिक इतिहास राजनीति विज्ञान भूगोल अर्थशास्त्र समाजशास्त्र Engineering Graphics गृह विज्ञान Home Science शारीरिक शिक्षा Multimedia and Webtech English Elective CBSE (Deleted) Entrepreneurship संस्कृत कोर (भास्वती) संस्कृत ऐच्छिक (शाश्वती) Philosophy (Deleted) Biotechnology Financial Market Management Other Subjects Regional Language Information Technology (802)

Ask questions which are clear, concise and easy to understand.

Ask Question

Write three similarities and three differences between the ovaries of solanaceae and liliaceae

Posted by Isha Gurav 6 years, 10 months ago

CBSE > Class 11 > Biology

1 answers

Yogita Ingle 6 years, 10 months ago

Similarities

In both solanaceae and liliaceae ovaries are superior type
both have multilocular ovaries
both are actinomorphic

Differences between Solanaceae and Liliaceae on the basis of their gynoecia.

Solanaceae	Liliaceae
1. Gynoecium is bicarpellary.	1. Gynoecium is tricarpellary.
2. Ovary is bilocular.	2. Ovary is trilocular.
3. It shows the presence of swollen placenta.	3. It shows axile placentation.

1Thank You

ANSWER

How can we decide oxudation and reduction. With the help of standard electrode potential

Posted by Prince Giri 6 years, 10 months ago

CBSE > Class 11 > Chemistry

0 answers

ANSWER

What is the value of cot 120° ?

Posted by Gaurav Kumar 6 years, 10 months ago

CBSE > Class 11 > Mathematics

3 answers

Chaudhary Nikhil Panwar 6 years, 10 months ago

-1/3^1/2

1Thank You

Ginnu Kumar 6 years, 10 months ago

-√3/3

1Thank You

Akanksha Kumari? 6 years, 10 months ago

Cot (180-60) = cot 120= -1/3^2

1Thank You

ANSWER

What are the structural and functional units of liver ?

Posted by Anuj Maurya 6 years, 10 months ago

CBSE > Class 11 > Biology

3 answers

Nasra Kulsoom 6 years, 10 months ago

Hepatic cells

1Thank You

Keshav Chauhan 6 years, 10 months ago

Hepatic lobules ☺️

3Thank You

Rajeev Ratan Sharma 6 years, 10 months ago

Lobule

3Thank You

ANSWER

Sin120

Posted by Shivam Gupta 6 years, 10 months ago

CBSE > Class 11 > Mathematics

2 answers

Ginnu Kumar 6 years, 10 months ago

√3/2

0Thank You

Akanksha Kumari? 6 years, 10 months ago

Sin (180-60) =sin 120= 3^2/2

1Thank You

ANSWER

What is the oxidation number of Cr in CrO5

Posted by Anuj Maurya 6 years, 10 months ago

CBSE > Class 11 > Chemistry

4 answers

Devil Bro 6 years, 10 months ago

Rue to it butterfly like structure +6

1Thank You

Akanksha Kumari? 6 years, 10 months ago

1Thank You

Rajeev Ratan Sharma 6 years, 10 months ago

1Thank You

Kavya Nair 6 years, 10 months ago

When we solve this equation, Cr+2*(-5)=0 We get +10 which is not possible as chromium has max. Of +6 electrons .In CrO5 one oxygen is double bonded to the Cr atom and there are peroxide linkage.As we know oxygen peroxide has -1 o.s and double bond atom in -2 state Cr+5(-1)=1 Cr=+6

2Thank You

ANSWER

Give chemical reactions to prepare chloro benzene from benzene

Posted by Kavya Nair 6 years, 10 months ago

CBSE > Class 11 > Chemistry

1 answers

Saif Imam 6 years, 10 months ago

by halogenation reaction react benzene with chlorine in the presence of anhydrous AlCl3

1Thank You

ANSWER

calculate the number of atoms in 4 gram of He

Posted by Naveen Koli 6 years, 10 months ago

CBSE > Class 11 > Chemistry

1 answers

Akanksha Kumari? 6 years, 10 months ago

No of atoms = 6.022×10^23× 4/4= 6.022 ×10^23

1Thank You

ANSWER

Character sketch of gainronde

Posted by Ichha Thapa 6 years, 10 months ago

CBSE > Class 11 > English Core

0 answers

ANSWER

Jatin arora is a plastic chair manufacturer he has received an order for 40 chairs from Ms vidhut electrical on behalf of jatin Arora write a letter to Ms vidhut electrical confirming their orders and informing supply date. Word limit 150 words

Posted by Anusha Rathore 4 years, 8 months ago

CBSE > Class 11 > English Core

0 answers

ANSWER

Draw average revenue and marginal revenus curves 8n a single diagram of a good only by lowering the price of a good explain

Posted by Nikita Chawle 6 years, 10 months ago

CBSE > Class 11 > Economics

0 answers

ANSWER

Why diamond is the most expensive gemstone

Posted by Pranjal Nath 6 years, 10 months ago

CBSE > Class 11 > Chemistry

1 answers

☘Megha Seervi☘ 6 years, 10 months ago

Renowned for being the hardest substance on earth, its sparkling fire, durability, and rarity make Diamond the most prized of all gems.

0Thank You

ANSWER

How to calculate Oxidation number of Cr2O72-

Posted by Virendra Parmar 6 years, 10 months ago

CBSE > Class 11 > Chemistry

1 answers

Kavya Nair 6 years, 10 months ago

2Cr+7O=-2 2Cr+7(-2)=-2 2Cr-14=-2 2Cr=12 Cr=+6

0Thank You

ANSWER

Devangan sharma?

Posted by Tripti Sharma 6 years, 10 months ago

CBSE > Class 11 > Biology

0 answers

ANSWER

Find the sum to n terms of the series 5+11+19+29+41+......

Posted by Naveen Patil 6 years, 10 months ago

CBSE > Class 11 > Mathematics

1 answers

Rising Star 6 years, 10 months ago

Sn=n÷2 (2a+(n-1)×d N%2 (10+6n-6) N÷2 (4+6n) N (2+3n)

0Thank You

ANSWER

Solve by cross multiplication method - (a-b)x + (a+b)y = (a+b)(x+y) =

Posted by Rudransh Gupta 6 years, 10 months ago

CBSE > Class 11 > Mathematics

0 answers

ANSWER

Limit x-->0 cose x - cotx ÷ x

Posted by Pratham Mewada 6 years, 10 months ago

CBSE > Class 11 > Mathematics

1 answers

Samiksha Bhatia 6 years, 10 months ago

Lim x-->0( 1/sinx-cosx/sinx)÷x...by taking Lcm...u will get 1-cosx/(sinx)x....we can write 1-cosx as 2sin^2x/2.....in denominator multiply and divide by x and 4..then put the limits....u will get the answer 1/2

2Thank You

ANSWER

A simple harmonic motion acceleration 'a' and displacement 'x' is represented by a+4(3.14)(3.14)x=0 . What is the time period ?

Posted by Anirudh Kaushik 6 years, 10 months ago

CBSE > Class 11 > Physics