Chemical Coordination and integration — BIOLOGY STD 11 Science — Question

Write the parts of female gametophyte of angiosperm.

Give the name of the pigment, which imparts colour to red algae.

What is the function of girdle bones?

Define epiphyllous arrangement of stamens.

Your friend has gone for blood test and his haemoglobin count is 17gm per 100mL. What should he do?

1. No need to worry.
2. Take rest.
3. Take rest and prescribed medicines.
4. Take rest and lots of leafy vegetables.

Glomerular filtrate has water, glucose, amino acids, creatine, etc. Which of these are reabsorbed rapidly and actively into the blood?

1. Write the features of a metacentric chromosome.
2. What type of ribosomes is found in prokaryotic cells?

Name the disease in which there is a reduced renal absorption of water with a consequent elimination of large volume of very dilute urine. What is its cause?

How do catecholamines increase the level of blood glucose?