Anatomy of Flowering Plants — BIOLOGY STD 11 Science — Question

Differentiate between oxy haemoglobin and carbaminohaemoglobin.

Name the type of joint between the following:

1. Altas and axis.
2. Carpal and metacarpal.
3. Public bones in the pelivic giodle.
4. Fernur and Acetabulum.

Attempt titrating an amino acid against a weak base and discover the number of dissociating ( ionizable ) functional groups in the amino acid.

Male and female cockroaches can be distinguished externally through:

1. Anal styles in male.
2. Anal cerci in female.
3. Anal style and antennae in females.
4. Both (b) and (c).

1. What is the end product of glycolysis and where does this process occur?
2. List the conditions under which fermentation occurs in plant cells?

A plant cell with 0.3% concentration of salt in its cell sap is placed in a solution with 3% concentration of salt. Answer the following:

1. What will happen to the cell?
2. How will you describe the concentration of the outside solution?
3. What changes are required to bring back the cell in normal condition?

Which one of the following in birds, indicates their reptilian ancestry?

1. Scales on their hind limbs.
2. Four chambered heart.
3. Two special chambers crop and gizzard in their digestive tract.
4. Eggs with a calcareous shell.

1. What is the origin of secondary phloem?
2. In which plants it is found?

Explain the reproduction found in Chloro- phyceae.

Fill in the blanks a to f in the different columns of the table given below.

Enzyme	Site of Action	Substrate	Product of Action
Salivary amylase	Mouth and stomach	a	Maltose
b	Stomach	Protiens	Proteoss and peptones
Trypsin	c	Proteins Peptones and proteoses	Dipeptides
Lipase	Small intestine	Fats	d
e	Small intestine	Nucleic acid	Nucleotides and Nucleosides
Lactase	Small intestine	f	Glucose and Galactose