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प्रश्न
Give appropriate biological or technical terms for the following :
The complex consisting of a DNA strand and a core of histones
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उत्तर
The complex consisting of a DNA strand and a core of histones is known as a nucleosome.
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संबंधित प्रश्न
Given alongside is a diagram of human heart showing its internal structures. Label the parts marked 1 to 6, and answer the following questions.
- Which type of blood is carried by the blood vessel marked 2?
- Name the main artery which takes the blood from heart to different parts of the body?
- Which chamber of the heart receives deoxygenated blood from the body?
Given below is certain structure, write the term for the functional activity.
Erythrocytes and …………………………………
Explain with reasons.
Human blood is red coloured.
Why does the left ventricle possess a thicker wall than the right ventricle?
Given below is a highly schematic diagram of the human blood circulatory system.
Which numbers represent the following respectively?
Aorta
Hepatic portal vein
Pulmonary artery
Superior vena cava
Renal vein
Stomach
Give any three differences between an artery and a vein
Multiple choice questions. Tick ( ✓ ) the correct choice:
The four blood groups in humans are
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
Leucocytes show amoeboid movement.
State the Location:
Tonsils
Label the diagram given below to show the four main parts of the urinary system and answer the following questions.
- Which organ removes extra salts and water from the blood?
- Where is the urine stored?
- What is the tube through which urine is excreted out of the body?
- What are the tubes that transfer urine from the kidneys to the urinary bladder called?
