Correct Answer: A. has more pronounced webbed digits

Correct Answer: D. 50%

Correct Answer: D. digestion

Correct Answer: C. are autotrophic

Correct Answer: C. Carbondioxide produced in the tissues is removed by the process of osmosis

Correct Answer: D. Once the effects of hormones are over, they are inactivated and excreted from the body

Correct Answer: A. Golgi body

Explanation

The Golgi apparatus is responsible for transporting, modifying, and packaging proteins and lipids into vesicles for delivery to targeted destinations.

Correct Answer: A) nucleus

Explanation

The question is asking where in a cell the chromosome can be found. The options are nucleus, Golgi body, cytoplasm, cell membrane, and cell wall. Chromosomes contain genetic information and are necessary for cell division and replication. To answer the question, we need to know the location of chromosomes in the cell. Chromosomes are found in the nucleus of a cell. The nucleus is a membrane-bound organelle that contains the genetic information of the cell in the form of chromosomes. The Golgi body is an organelle that is involved in processing and packaging proteins for transport within the cell or for secretion outside the cell. It does not contain chromosomes. The cytoplasm is the fluid-like substance that fills the cell and contains various organelles. Chromosomes are not found in the cytoplasm. The cell membrane is the outermost layer of the cell that separates the cell from its environment. It is made up of a phospholipid bilayer and is involved in regulating what enters and exits the cell. Chromosomes are not found in the cell membrane. The cell wall is a rigid layer found in plant cells that provides support and protection. Chromosomes are not found in the cell wall. Therefore, the correct answer to the question is option A: nucleus. Chromosomes are found in the nucleus of a cell.

Correct Answer: B) 3

Explanation

During fertilization, a pollen tube contains three nuclei. These nuclei are involved in the process of double fertilization, which occurs when one sperm nucleus fuses with the egg cell and the other fuses with two polar nuclei to form the endosperm. The endosperm is a nutrient-rich tissue that provides nourishment to the developing embryo in the seed. It is important to understand the process of fertilization in plants, as it plays a crucial role in reproduction and the development of seeds. Pollination occurs when pollen is transferred from the anther of a flower to the stigma of another flower, or to the same flower in self-pollinating plants. The pollen then germinates and grows a tube that penetrates the female reproductive structure of the flower, the ovule. Once the pollen tube reaches the ovule, it releases the three nuclei it contains. One of these nuclei fuses with the egg cell to form the zygote, which develops into the embryo. The other two nuclei fuse with the polar nuclei to form the endosperm. This process of double fertilization ensures that the developing embryo has enough nutrients to grow and develop into a mature seed. In conclusion, a pollen tube during fertilization contains three nuclei, which are involved in the process of double fertilization and the formation of the endosperm. Understanding the process of fertilization in plants is important for understanding their reproduction and the development of seeds.

Correct Answer: A. a stable composition of plant and animal species