CHALLENGE FOR BRAINLY USERS SOLVE THE WHOLE PAPER
General Instruction:
(1) Attempt all the questions
(2) Draw diagram where – ever necessary
1.
1. What is pure substance.
2. Name the technique to separate butter from curd.
3. Define tissue.
4. What happens when force is applied to an object
5. What is the S.I. unit of force?
6. Where is apical meristem found?
7. Name the tissue responsible for movements in our body.
8. In which kingdom will you place are organism which is single called eukaryotic and
Photosynthetic.
2.
1. Differentiate ligament and Tendon
2. What will be the acceleration of a body of mass 5kg if a force of 200 N is applied on ti?
3. How many types of elements together make xylem tissues? Name them.
4. A solution contains 40 gm of common salt in 320 gms of water. Calculate the
concentration in terms of mass by mass percentage of solution
5. Describe an activity to separate dye of ink using chromatography.
3.
1. How can we separate a mixture of salt and Ammonium Chloride. Explain with
diagram.
2. Why does the passenger in a bus tend to fall backwards when it starts suddenly?
3. Draw the diagram of Nerve cell and label it.
4. Differentiate Parenchyma, Collenchyma and Sclerenchyma tissue.
4. Define suspension. Write two properties of each giving examples
5. State Newton’s second law of motion. How it can be used to define the unit of force.
Answers
1. Pure substances are defined as substances that are made of only one type of atom or only one type of molecule (a group of atoms bonded together).
2.centrifugation
3.group of cells which performs different functions
4.when force applied to object it accelerates
5.newton
6.at the tip of the plant
7.muscular tissue
8.kingdom protista
2) 1. differences between tendons and the ligaments:
- Tendon connects muscles to bone, and are present at the end of skeletal muscles and are made of white fibrous connective tissue, whereas
- ligaments connect one bone to another bone, so found in joints and are made of yellow fibrous connective tissues.
2. f= m×a
40=a
3.4 types together makes xylem tissue
xylem parrenchyma,xylem fibres,trachieds,vessels
ANSWER:-
1. Pure substances are defined as substances that are made of only one type of atom or only one type of molecule (a group of atoms bonded together).
2.centrifugation
3.group of cells which performs different functions
4.when force applied to object it accelerates
5.newton
6.at the tip of the plant
7.muscular tissue
8.kingdom protista
2) 1. differences between tendons and the ligaments:
Tendon connects muscles to bone, and are present at the end of skeletal muscles and are made of white fibrous connective tissue, whereas
ligaments connect one bone to another bone, so found in joints and are made of yellow fibrous connective tissues.
2. f= m×a
40=a
3.4 types together makes xylem tissue
xylem parrenchyma,xylem fibres,trachieds,vessels
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