Long filamentous threads of maize are the styles of the ovaries. In fact, these are the longest styles in plants.

Correct Option: A

Long filamentous threads of maize are the styles of the ovaries. In fact, these are the longest styles in plants.

It is also know as Australian pine, which is a deciduous tree with a soft, wispy, pinelike appearance that can grow to 100 feet or more in height. Also known as ironwood, or beefwood. It bears a superficial resemblance to the conifer genus Pinus because of its small, round, cone-like fruits and its branchlets of scale-like leaves that look like pine needles.

Correct Option: D

It is also know as Australian pine, which is a deciduous tree with a soft, wispy, pinelike appearance that can grow to 100 feet or more in height. Also known as ironwood, or beefwood. It bears a superficial resemblance to the conifer genus Pinus because of its small, round, cone-like fruits and its branchlets of scale-like leaves that look like pine needles.

Hibiscus belongs to family Malvaceae. It possess numerous stamens that are called monadelphous.

Correct Option: A

Hibiscus belongs to family Malvaceae. It possess numerous stamens that are called monadelphous.

A flower in which floral parts arise from around the ovary is called perigynous. In this, the ovary is half inferior and half superior. It can be seen in the flowers of plum, peach etc.

Correct Option: B

A flower in which floral parts arise from around the ovary is called perigynous. In this, the ovary is half inferior and half superior. It can be seen in the flowers of plum, peach etc.

In basal type of placentation, the ovary is unilocular with a single ovule. In this, the placenta is at the base of the ovary. It is seen in Polygonum.

Correct Option: B

In basal type of placentation, the ovary is unilocular with a single ovule. In this, the placenta is at the base of the ovary. It is seen in Polygonum.