Blog provides NCERT solutions, CBSE, NTSE, Olympiad study material, model test papers, important Questions and Answers asked in CBSE examinations. References to Educational Sites and resources.
Friday 11 March 2016
Wednesday 9 March 2016
Tuesday 8 March 2016
CBSE Class 8 - Science - Chapter 1 - Crop Production and Management (Questions and Answers)
Crop Production and Management
Types of Crops (based on Seasons) |
Questions and Answers based on Class 8 NCERT Chapter
Q1: Define agriculture.
Answer: It is a science that deals with the growth of plants and animals for human use is called agriculture.
Answer: When plants of the same kind are grown and cultivated at one place on a large scale, it is known as a crop. For example, crop of wheat means that all the plants grown in a field are that of wheat.
Answer: All the activities which are involved in the cultivation of crops from sowing to harvesting are known as agricultural practices.
Answer: Following are the reasons that India need improved agricultural practices:
i. India's population is around 1.20 Billion and it is growing faster than its ability to produce wheat and rice.
ii. To provide sufficient food to such a large population, it is required to maintain regular production and proper crop management.
iii. It requires an improvement in agricultural practices and application of latest technology.
Q5: List the seven agricultural practices.
Answer:
i. Preparation of soil
ii. Sowing
iii. Adding manure and fertilisers
iv. Irrigation
v. Protecting from weeds
vi. Harvesting
vii. Storage
Answer: It is a science that deals with the growth of plants and animals for human use is called agriculture.
Q2: Define Crop
Answer: When plants of the same kind are grown and cultivated at one place on a large scale, it is known as a crop. For example, crop of wheat means that all the plants grown in a field are that of wheat.
Q3: What are agricultural practices?
Answer: All the activities which are involved in the cultivation of crops from sowing to harvesting are known as agricultural practices.
Q4: Why does India need improved agricultural practices?
Answer: Following are the reasons that India need improved agricultural practices:
i. India's population is around 1.20 Billion and it is growing faster than its ability to produce wheat and rice.
ii. To provide sufficient food to such a large population, it is required to maintain regular production and proper crop management.
iii. It requires an improvement in agricultural practices and application of latest technology.
Q5: List the seven agricultural practices.
Answer:
i. Preparation of soil
ii. Sowing
iii. Adding manure and fertilisers
iv. Irrigation
v. Protecting from weeds
vi. Harvesting
vii. Storage
Sunday 6 March 2016
CBSE Class 6 - Science - Chapter 1 - Food: Where Does It Come From? (Worksheet)
Food: Where Does It Come From?
Different Types of Foods (credits: wikimedia) |
Worksheet
Q1: Ingredients are used to prepare food. Write down the sources of the following ingredients?
Food Item | Ingredients | Sources |
---|---|---|
(a) Idli | Rice | Plant |
Urad Dal | _____________ | |
Salt | _____________ | |
Water | _____________ | |
(b) Kheer | Milk | Animal |
Rice | _____________ | |
Sugar | _____________ | |
(c) Chicken Curry | Chicken | _____________ |
Spices | _____________ | |
Oil | Plants/Animals | |
Water | _____________ | |
(d) Jalebi | Maida | _____________ |
Saffron | ____________ | |
Ghee | _____________ | |
Sugar | _____________ |
Q2: Give two examples of the following:
Herbivores: ____________________________________________________
Carnivores: ____________________________________________________
Omnivores : ____________________________________________________
Plants whose stem is edible: ________________________________________
Plants whose roots are edible: ______________________________________
Scavengers: _________________________________________________________
Friday 4 March 2016
CBSE Class 10 - Biology - Heredity and Evolution - Do Not Miss These Important Definitions and Terms
Heredity and Evolution
Important Definitions and Terms
Q1: Define Genetics
Answer: Genetics is the branch of Biology which deals with the study of heredity and variation.
Q2: Define Heredity
Answer: Heredity refers to process by which certain features (inheritable) are transmitted from parent to offspring.
Q3: Define Variation
Answer: Offspring of same parents do not exactly resemble each other as well to their parents. It is called variation.
Q4: What are analogous organs?
Answer: The organs that have same functions but different structures and origin are called analogous organs. e.g. the wings of a bat and the wings of an insect are analogous.
Q5: What are homologous organs?
Answer: The organs that have the same structure, origin and components but may be performing different functions are called homologous organs. Eg: hands of a human and the forelimbs of a horse.
Q6: What are vestigial organs?
Thursday 3 March 2016
CBSE Class 7 - Science - CH17 - Forests: Our Lifeline (MCQs)
Forests: Our Lifeline
Can You Identify Trees by looking at these leaves? (Answer given below) |
MCQs
Q1: The covering of large trees that serve as a roof to shelter an area or other plants in forests is called ___________.
(a) Canopy
(b) Crown
(c) Carnival
(d) none of these
Q2: Green plants synthesize their food by the process of __________
(a) Respiration
(b) Photosynthesis
(c) Crown
(d) Reproduction
Q3: Green plants are also referred as _________
(a) Consumers
(b) Producers
(c) Decomposers
(d) Herbivores
Q4: Tigers, Lions, Leopards belong to which of the following group?
(a) Producers
(b) Herbivores
(c) Decomposers
(d) Carnivores
Wednesday 2 March 2016
Who is Who (General Awareness Q and A)
Who IS Who?
General Knowledge Quiz
Q1: Who is Railways Cabinet Minister in Indian Central Government?
Answer: Suresh Prabhu
Q2: Who is Human Resource Development minister?
Answer: Smt Smriti Zubin Irani
Q3: Who is the chief Minister of Gujarat?
Answer: Anandiben Patel
Q4: Who was the first President Of India?
Answer: Dr. Rajendra Prasad
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