Read the following statements and find out the incorrect statement(s).
(a) The universe is almost 20 million years old.
(b) Huge clusters of galaxies comprise the universe.
(c) Considering contain stars and clouds of gas and dust.
(d) Considering the size of earth, universe is indeed a speck.
(e) Big bang theory attempts to explain the origin of universe.

Read the following statements and find out the incorrect statement(s). (a) All flowering plants show sexual reproduction (b) Fruits and seeds are the end products of sexual reproduction. (c ) Rich colours, scents and perfumes of flowers aid in sexual reproduction. (d) Flowers are objects of aesthetic, ornamental, social, religious and cultural values. (e ) Flowers have always been used as symbols for conveying important human feelings such as love, affection, happiness, grief, mourning, etc.

Read of following statements and find out the incorrect statement(s). a. Genetics deals with the inheritance, as well as variation of characters from parents to offspring. b. Variation is the process by which characters are passed on from parent to progeny. c. Inheritance is the basis of heredity. d. Inheritance is the degree by which progeny differ from their parents. e. Human knew from as early as 8000-10000 B.C. that one of the causes of variation was hidden in sexual reproduction

Read the following statements and find out the incorrect statement. (a) Water is essential for all physiological activities of the plant and plays a very important role in all living organisms. (b) A mature corn plant absorbs almost five litres of water in a day. (c) A mature plant absorbs water equal to its own weight in about 3 hours. (d) Water is often the limiting factor for plant growth and productivity in both agricultural and natural environments. (e) A watermelon has over 92 percent water, most herbaceous plants have only about 10 to 20 percnet of its fresh weigth as dry matter.

Read the following statements and find out the incorrect statement(s). a. Human are sexually reporducing and viviparous. b. Transfer of sperm in female genital tract (vagina ) is called ejaculation. c. There are remarkable differences between the reproductive events in the male and in the female. d. Sperm formation continues even in old men, but formation of ovum ceases in women around the age of fifteen years. e. The male and female reproductive systems are located in the pelvic region.

Read the following statements and find out the incorrect statement(s). a. Humans are sexually reproducing and viviparous. b. Transfer of sperm in female genital tract (vagina) is called ejaculation. c. There are remarkable differences between the reproductive events in the male and in the female. d. Sperm formation continues even in old men, but formation of ovum ceases in women around the age of fifteen years. e. The male and female reproductive systems are located in the pelvic region.

Read the following statements and find out the incorrect statement(s). a. All flowering plants show sexual reproduction b. Fruits and seeds are the end products of sexual reproduction. c. Rich colours, scents and perfumes of flowers aid in sexual reproduction d. Flowers are objects of aesthetic, ornamental, social, religious and cultural values. e. Flowers have always been used as symbols for conveying important human feelings such as love, affection, happiness, grief, mourning, etc.

Read the following statements and find out the incorrect statements. a. Each testicular lobule contains one to three highly coiled seminiferous tubules in which sperm are produced b. Each seminiferous tubule is lined on its inside by two types of cells called Leydig cells and Sertoli cells. c. The region outside the seminiferous tubules called interstitial space, contain small blood vessels and male germ cells (spermatogonia) which lead to sperm formation. d. In testis immunologically component cells are also present. e. The seminiferous tubules of the testis open into the rete testis through vasa efferentia.